Task: Answer the multiple-choice question.
Question: Which drug has a 17.729% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: Cc1cccc(CN2CCN(CC(C)C)C(CCO)C2)n1
b: CCC(Sc1nc(C)cc(=O)[nH]1)C(=O)Nc1nc(-c2ccccc2)cs1
c: COc1cccc(CN2CCNC(=O)C2CC(=O)N(C)CCc2ccccn2)c1
d: O=C(O)CCn1cc(/C=C/C(=O)c2ccccc2)c(-c2ccc(Br)cc2)n1
Answer: a. Cc1cccc(CN2CCN(CC(C)C)C(CCO)C2)n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1cccc(CN2CCN(CC(C)C)C(CCO)C2)n1
Cc1cccc(CN2CCN(CC(C)C)C(CCO)C2)n1
2-[1-(2-methylpropyl)-4-[(6-methylpyridin-2-yl)methyl]piperazin-2-yl]ethanol