Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 12.368\% 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) COC(=O)c1nccc2c1[nH]c1ccccc12
(b) O=C(CCCCC(=O)NCCCc1ccccc1)NCCCc1ccccc1
(c) COc1ccc(NC(=S)NCc2cccs2)cc1
Answer: a. COC(=O)c1nccc2c1[nH]c1ccccc12
{#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#}
COC(=O)c1nccc2c1[nH]c1ccccc12
COC(=O)c1nccc2c1[nH]c1ccccc12
methyl 9H-pyrido[3,4-b]indole-1-carboxylate