Task: Answer the multiple-choice question.
Question: Which compound has a -13.328\% 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. CCOc1ccc2nc(NCCNC(=O)Nc3cccc(C)c3)c(C#N)cc2c1
b. CCOC(=O)N1CCN(C(=O)C2CCN(S(=O)(=O)c3cc(Cl)ccc3Cl)CC2)CC1
c. Cn1cccc1C(=O)c1cccc([N+](=O)[O-])c1
d. O=C(O)c1ccccc1C(=O)O
Answer: c. Cn1cccc1C(=O)c1cccc([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_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#}
[3-(1-methylpyrrole-2-carbonyl)phenyl]-oxido-oxoazanium