Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 2.678\% 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 other words.
Options:
a COc1cccc(OC)c1C(=O)Nc1ccc([N+](=O)[O-])cn1
b Cc1ccc(NC(=O)c2cc(S(=O)(=O)N3CCOCC3)cn2C)cc1F
Answer: a. COc1cccc(OC)c1C(=O)Nc1ccc([N+](=O)[O-])cn1
{#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(OC)c1C(=O)Nc1ccc([N+](=O)[O-])cn1
COc1cccc(OC)c1C(=O)Nc1ccc([N+](=O)[O-])cn1
2,6-dimethoxy-N-(5-nitropyridin-2-yl)benzamide