Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 15.981\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=C(Nc1nc2cc3c(cc2s1)OCCO3)c1ccco1
[b] COc1cccc(C(=O)Nc2cccnc2)c1OC
[c] Nc1nc2c(nc(SCc3ccccc3Br)n2[C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)c(=O)[nH]1
Answer: b. COc1cccc(C(=O)Nc2cccnc2)c1OC
{#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#}
COc1cccc(C(=O)Nc2cccnc2)c1OC
COc1cccc(C(=O)Nc2cccnc2)c1OC
2,3-dimethoxy-N-pyridin-3-ylbenzamide