Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 10.012\% human ether-à-go-go related gene (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] COc1ccc(NC(=O)c2c(NC(=O)CCC(=O)O)sc(-c3ccccc3)c2C)cc1
[b] COc1ccc(C(=O)COC(=O)c2ccccc2NS(=O)(=O)c2ccc(O)c([N+](=O)[O-])c2)cc1
[c] Cc1nnc(NC(=O)c2nc(S(=O)(=O)Cc3ccccc3)ncc2Cl)s1
Answer: a. COc1ccc(NC(=O)c2c(NC(=O)CCC(=O)O)sc(-c3ccccc3)c2C)cc1
{#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#}
4-[[3-[(4-methoxyphenyl)carbamoyl]-4-methyl-5-phenylthiophen-2-yl]amino]-4-oxobutanoic acid