Task: Answer the MCQ question.
Query: Which compound exhibits a 1.534\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CN(C)CCCN(C(=O)c1ccc(S(=O)(=O)N(C)C2CCCCC2)cc1)c1nc2ccc(F)cc2s1.Cl
b: CC(C)(C)c1ccc(S(=O)(=O)N2CCC(NC(=O)c3ccco3)CC2)cc1
c: COC(=O)C1CCN(c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])CC1
d: COc1cccc(NC(=O)CN2CCN(C(=O)c3ccco3)CC2)c1
Answer: c. COC(=O)C1CCN(c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])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#}
COC(=O)C1CCN(c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])CC1
COC(=O)C1CCN(c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])CC1
methyl 1-(2,4-dinitrophenyl)piperidine-4-carboxylate