Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 7.401\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) COc1ccc(Cn2nnnc2CN2CCC(O)(c3ccc(F)cc3)CC2)cc1
b) COc1ccc([N+](=O)[O-])cc1NC(=O)c1ccc(C)o1
c) CCC1CCc2sc(C(=O)N3CCN(c4ccccn4)CC3)cc2C1
d) CC1CCc2c(sc3ncn(N)c(=N)c23)C1
Answer: b. COc1ccc([N+](=O)[O-])cc1NC(=O)c1ccc(C)o1
{#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([N+](=O)[O-])cc1NC(=O)c1ccc(C)o1
COc1ccc([N+](=O)[O-])cc1NC(=O)c1ccc(C)o1
[4-methoxy-3-[(5-methylfuran-2-carbonyl)amino]phenyl]-oxido-oxoazanium