Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 20.881\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] Cc1ccc(NC(=O)CN2CCc3ccccc3C2)cc1C
[b] OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCCCO2)O1
[c] Cc1ccc(NC(=O)CCC(=O)N/N=C/c2cccs2)cc1
[d] CCC(=O)Nc1nc2nc(-c3ccccc3)cc(-c3ccccc3)n2n1
Answer: b. OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCCCO2)O1
{#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#}
OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCCCO2)O1
OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCCCO2)O1
(2R,4S,5R,6S)-2-(2-hydroxyethyl)-1,7-dioxaspiro[5.5]undecane-4,5-diol