Task: Answer the MCQ question.
Query: Which compound exhibits a 18.168\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) C[C@@H]1O[C@@H](O[C@H]2C[C@@H](O)[C@]3(CO)[C@@H]4C(CC[C@]3(O)C2)[C@@]2(O)CC[C@H](C3COC(=O)C3)[C@@]2(C)C[C@H]4O)[C@H](O)[C@H](O)[C@H]1O
b.) Cc1ccc(C(=O)OCCN2CCN(c3ncc(C(F)(F)F)cc3Cl)CC2)cc1
Answer: a. C[C@@H]1O[C@@H](O[C@H]2C[C@@H](O)[C@]3(CO)[C@@H]4C(CC[C@]3(O)C2)[C@@]2(O)CC[C@H](C3COC(=O)C3)[C@@]2(C)C[C@H]4O)[C@H](O)[C@H](O)[C@H]1O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
C[C@@H]1O[C@@H](O[C@H]2C[C@@H](O)[C@]3(CO)[C@@H]4C(CC[C@]3(O)C2)[C@@]2(O)CC[C@H](C3COC(=O)C3)[C@@]2(C)C[C@H]4O)[C@H](O)[C@H](O)[C@H]1O
C[C@@H]1O[C@@H](O[C@H]2C[C@@H](O)[C@]3(CO)[C@@H]4C(CC[C@]3(O)C2)[C@@]2(O)CC[C@H](C3COC(=O)C3)[C@@]2(C)C[C@H]4O)[C@H](O)[C@H](O)[C@H]1O
4-[(1R,3S,5S,9S,10R,11R,13R,14S,17R)-1,5,11,14-tetrahydroxy-10-(hydroxymethyl)-13-methyl-3-[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]oxolan-2-one