Task: Answer the multiple-choice question.
Question: Which compound exhibits a -20.489\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: O=C(CC1C(=O)NCCN1Cc1ccccc1F)NC1CCCCCC1
b: Cc1ccc(S(=O)(=O)N2CCC(=O)N(C(COCc3ccc(Cl)cc3)C(C)C)CC2)cc1
c: CC(C)Cc1ccc([C@H](C)C(=O)O)cc1
d: Cc1nc2ccccc2c(=O)n1NC(=O)COc1ccccc1
Answer: b. Cc1ccc(S(=O)(=O)N2CCC(=O)N(C(COCc3ccc(Cl)cc3)C(C)C)CC2)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#}
4-[1-[(4-chlorophenyl)methoxy]-3-methylbutan-2-yl]-1-(4-methylphenyl)sulfonyl-1,4-diazepan-5-one