Task: Answer the multiple-choice question.
Query: Which compound has a 19.731\% hERG inhibition at a concentration of 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)Nc2ccc(CC(=O)O)cc2)cc1
b: CC1CCN(S(=O)(=O)c2ccc(NC(=O)CSc3ncccc3C(=O)O)cc2)CC1
c: Cc1ccc(-c2cc(C(=O)Nc3ccc4c(c3)OCCO4)c3ccccc3n2)cc1
Answer: a. COc1ccc(NC(=O)Nc2ccc(CC(=O)O)cc2)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#}
COc1ccc(NC(=O)Nc2ccc(CC(=O)O)cc2)cc1
COc1ccc(NC(=O)Nc2ccc(CC(=O)O)cc2)cc1
2-[4-[(4-methoxyphenyl)carbamoylamino]phenyl]acetic acid