Task: Answer the MCQ question.
Query: Which drug exhibits a -1.339% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CO/N=C/c1ccc(N2CCCC2)c([N+](=O)[O-])c1
b: COc1ccc(CN2CCN(C(=O)C3CCN(S(=O)(=O)c4cccs4)CC3)CC2)c(OC)c1OC
c: CCN(CC)c1ccc(C=NCCNS(=O)(=O)c2ccc(C)cc2)cc1
d: CC1(NC(=O)c2cccc(S(=O)(=O)N3CCN(c4ccccc4)CC3)c2)CCS(=O)(=O)C1
Answer: a. CO/N=C/c1ccc(N2CCCC2)c([N+](=O)[O-])c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CO/N=C/c1ccc(N2CCCC2)c([N+](=O)[O-])c1
CO/N=C/c1ccc(N2CCCC2)c([N+](=O)[O-])c1
(E)-N-methoxy-1-(3-nitro-4-pyrrolidin-1-ylphenyl)methanimine