Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 9.254\% 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: Cc1ccc(S(=O)(=O)c2nnn3c2nc(N2CCOCC2)c2ccccc23)c(C)c1
b: CCN1C[C@]2(CO)CC[C@H](OC)[C@@]34C2[C@H](OC)[C@@](O)(C13)[C@@]1(O)C[C@H](OC)[C@H]2C[C@@H]4[C@@H]1[C@H]2OC
Answer: b. CCN1C[C@]2(CO)CC[C@H](OC)[C@@]34C2[C@H](OC)[C@@](O)(C13)[C@@]1(O)C[C@H](OC)[C@H]2C[C@@H]4[C@@H]1[C@H]2OC
{#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#}
CCN1C[C@]2(CO)CC[C@H](OC)[C@@]34C2[C@H](OC)[C@@](O)(C13)[C@@]1(O)C[C@H](OC)[C@H]2C[C@@H]4[C@@H]1[C@H]2OC
CCN1C[C@]2(CO)CC[C@H](OC)[C@@]34C2[C@H](OC)[C@@](O)(C13)[C@@]1(O)C[C@H](OC)[C@H]2C[C@@H]4[C@@H]1[C@H]2OC
(1S,2R,3R,4S,5R,6S,8R,9S,13S,16S,18S)-11-ethyl-13-(hydroxymethyl)-4,6,16,18-tetramethoxy-11-azahexacyclo[7.7.2.12,5.01,10.03,8.013,17]nonadecane-8,9-diol