Task: Answer the MCQ question.
Question: Which compound has a 5.237\% 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 other words.
Options:
[a] COC(=O)c1cn(C(C)C(=O)NCc2ccco2)c2ccccc12
[b] COc1ccc(NC(=O)c2ccc(Cl)cc2)c[n+]1[O-]
[c] Cc1ccc(OCC(=O)N2CCc3ccccc32)cc1
Answer: b. COc1ccc(NC(=O)c2ccc(Cl)cc2)c[n+]1[O-]
{#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)c2ccc(Cl)cc2)c[n+]1[O-]
COc1ccc(NC(=O)c2ccc(Cl)cc2)c[n+]1[O-]
4-chloro-N-(6-methoxy-1-oxidopyridin-1-ium-3-yl)benzamide