Task: Answer the multiple-choice question.
Question: Which drug exhibits a 5.556\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCOCCn1cnc2sc(C(=O)NCCCN3CCOCC3)c(C)c2c1=O
(b) COc1ccc(CNC(=O)CN(C(=O)CCC(=O)Nc2ccccn2)c2ccccc2OC)cc1
(c) Cc1cccc(CN2CCC(N3CC(C)OC(C)C3)CC2)c1.O=C(O)C(=O)O
Answer: b. COc1ccc(CNC(=O)CN(C(=O)CCC(=O)Nc2ccccn2)c2ccccc2OC)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#}
COc1ccc(CNC(=O)CN(C(=O)CCC(=O)Nc2ccccn2)c2ccccc2OC)cc1
COc1ccc(CNC(=O)CN(C(=O)CCC(=O)Nc2ccccn2)c2ccccc2OC)cc1
N'-(2-methoxyphenyl)-N'-[2-[(4-methoxyphenyl)methylamino]-2-oxoethyl]-N-pyridin-2-ylbutanediamide