Task: Answer the multiple-choice question.
Question: Which drug exhibits a -3.315% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) CC1Cc2ccccc2N1C(=O)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
b) O=C(CCN1C(=O)C2C3C=CC(C3)C2C1=O)NCCc1ccccc1
c) Cc1nc2c(-c3ccccc3)c(C)nn2c(C)c1CCC(=O)N1CCC2(CC1)OCCO2
d) O=C(Nc1cccc2ccccc12)c1nn(C23CC4CC(CC(C4)C2)C3)cc1[N+](=O)[O-]
Answer: a. CC1Cc2ccccc2N1C(=O)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#}
CC1Cc2ccccc2N1C(=O)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
CC1Cc2ccccc2N1C(=O)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
(2-methyl-2,3-dihydroindol-1-yl)-(3-nitro-4-pyrrolidin-1-ylphenyl)methanone