Task: Answer the multiple-choice question.
Query: Which drug exhibits a 17.248\% 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 additional words.
Options:
a: COc1cc(NC(=O)COC(=O)c2ccc(S(=O)(=O)N3CC(C)CC(C)C3)cc2)c(C)cc1[N+](=O)[O-]
b: Nc1ccc(C(=O)O)cc1[N+](=O)[O-]
c: O=c1oc2ccccc2c(O)c1Cc1cc(Cl)c2cccnc2c1O
d: Cc1ccc2cccc(S(=O)(=O)N3CCN(c4ccccc4F)CC3)c2n1
Answer: b. Nc1ccc(C(=O)O)cc1[N+](=O)[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#}
Nc1ccc(C(=O)O)cc1[N+](=O)[O-]
Nc1ccc(C(=O)O)cc1[N+](=O)[O-]
4-amino-3-nitrobenzoic acid