Task: Answer the MCQ question.
Question: Which drug exhibits a 13.723\% 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.) CCCc1n[nH]c(=O)c2c1nnn2Cc1ccccc1
b.) O=C(CCC(=O)N1CCN(Cc2ccc(F)cc2)CC1)Nc1nnc(C2CCCCC2)s1
c.) CCS(=O)(=O)N1CCN(C(=O)c2ccccc2[N+](=O)[O-])CC1
d.) COc1ccc(OCC(=O)N2CC3(C)CC2CC(C)(C)C3)cc1
e.) CCOC(=O)C1=C(CN2CCC(C)CC2)NC(=O)NC1c1ccc(Cl)cc1
Answer: c. CCS(=O)(=O)N1CCN(C(=O)c2ccccc2[N+](=O)[O-])CC1
{#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#}
CCS(=O)(=O)N1CCN(C(=O)c2ccccc2[N+](=O)[O-])CC1
CCS(=O)(=O)N1CCN(C(=O)c2ccccc2[N+](=O)[O-])CC1
(4-ethylsulfonylpiperazin-1-yl)-(2-nitrophenyl)methanone