Problem statement: Answer the multiple-choice question.
Query: Which drug has a 9.936\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COC(=O)c1ccc(COC(=O)C23CC4CC(CC(O)(C4)C2)C3)o1
[b] C[C@@H]1CC=C[C@H]2[C@H]1C(=O)N(Cc1ccccc1)[C@H]2c1ccc(/C=C/c2ccccc2)cc1F
[c] COc1cc(/C=C/[N+](=O)[O-])ccc1O
Answer: c. COc1cc(/C=C/[N+](=O)[O-])ccc1O
{#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#}
COc1cc(/C=C/[N+](=O)[O-])ccc1O
COc1cc(/C=C/[N+](=O)[O-])ccc1O
2-methoxy-4-[(E)-2-nitroethenyl]phenol