Task: Answer the multiple-choice question.
Question: Which compound has a 13.553\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: COc1ccc(N2C(=O)CC(Sc3nc4c(cc3C#N)CCC4)C2=O)cc1
b: CC(C)C(Nc1ncc([N+](=O)[O-])cc1[N+](=O)[O-])C(=O)O
c: COc1ccc(OC)c(CC(=O)Nc2cc(S(=O)(=O)N3CCCCC3)ccc2C)c1
d: O=C(Oc1ccc(OC(=O)c2ccco2)c(S(=O)(=O)c2ccc(Br)cc2)c1)c1ccco1
e: Cc1cc(NC(=O)CSc2nnc3c(C)cc4c(C)ccc(C)c4n23)no1
Answer: b. CC(C)C(Nc1ncc([N+](=O)[O-])cc1[N+](=O)[O-])C(=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#}
CC(C)C(Nc1ncc([N+](=O)[O-])cc1[N+](=O)[O-])C(=O)O
CC(C)C(Nc1ncc([N+](=O)[O-])cc1[N+](=O)[O-])C(=O)O
2-[(3,5-dinitropyridin-2-yl)amino]-3-methylbutanoic acid