Task: Answer the multiple-choice question.
Question: Which compound exhibits a 12.353\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. Cc1ccc(C)c(OCC(=O)N2CCc3ccccc3C2)c1
b. O=[N+]([O-])c1ccc(CNc2ccc(Cl)cc2)s1
c. CC(C)(C)C(=O)Nc1ccc(NC(=O)c2ccco2)nc1
Answer: b. O=[N+]([O-])c1ccc(CNc2ccc(Cl)cc2)s1
{#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#}
O=[N+]([O-])c1ccc(CNc2ccc(Cl)cc2)s1
O=[N+]([O-])c1ccc(CNc2ccc(Cl)cc2)s1
4-chloro-N-[(5-nitrothiophen-2-yl)methyl]aniline