Task: Answer the multiple-choice question.
Query: Which drug exhibits a 15.654\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CSc1nc(N(C)CCO)c2sc3nc(-c4ccco4)c4c(c3c2n1)CCC4
b: COc1ccc(CN2CCNC(=O)C2CC(=O)NCCN2CCCCC2=O)c(F)c1
c: Cc1cc(C)c2sc(N(CCN(C)C)C(=O)c3cc(Cl)sc3Cl)nc2c1.Cl
d: Cc1nc(C)n(C(C)CNC(=O)c2cccc(Br)c2)n1
Answer: b. COc1ccc(CN2CCNC(=O)C2CC(=O)NCCN2CCCCC2=O)c(F)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#}
COc1ccc(CN2CCNC(=O)C2CC(=O)NCCN2CCCCC2=O)c(F)c1
COc1ccc(CN2CCNC(=O)C2CC(=O)NCCN2CCCCC2=O)c(F)c1
2-[1-[(2-fluoro-4-methoxyphenyl)methyl]-3-oxopiperazin-2-yl]-N-[2-(2-oxopiperidin-1-yl)ethyl]acetamide