Task: Answer the MCQ question.
Query: Which compound has a 16.876\% 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 additional words.
Options:
a: COc1ccc(C(=O)OCCc2sc[n+](CC(=O)c3ccccc3)c2C)cc1.[Br-]
b: O=C(Nc1ccccn1)c1ccc(Cl)c(S(=O)(=O)N2CCCC2)c1
c: CCOc1ccc(OCCn2c(SCC(=O)O)nc3ccccc32)cc1
d: NS(=O)(=O)c1ccc(CCNC(=O)CN2C(=O)c3ccccc3S2(=O)=O)cc1
e: CC(=O)N1CCN(CC(=O)NC(=O)Nc2ccc3c(c2)OCCO3)CC1
Answer: b. O=C(Nc1ccccn1)c1ccc(Cl)c(S(=O)(=O)N2CCCC2)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#}
O=C(Nc1ccccn1)c1ccc(Cl)c(S(=O)(=O)N2CCCC2)c1
O=C(Nc1ccccn1)c1ccc(Cl)c(S(=O)(=O)N2CCCC2)c1
4-chloro-N-pyridin-2-yl-3-pyrrolidin-1-ylsulfonylbenzamide