Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 19.459\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccc(NC(=S)NCCC2=CCCCC2)cc1OC
b: COCC(=O)Nc1nc(-c2ccc([N+](=O)[O-])cc2)cs1
Answer: b. COCC(=O)Nc1nc(-c2ccc([N+](=O)[O-])cc2)cs1
{#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#}
COCC(=O)Nc1nc(-c2ccc([N+](=O)[O-])cc2)cs1
COCC(=O)Nc1nc(-c2ccc([N+](=O)[O-])cc2)cs1
2-methoxy-N-[4-(4-nitrophenyl)-1,3-thiazol-2-yl]acetamide