Task: Answer the multiple choice question.
Query: Which drug exhibits a -59.858% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCCCCCn1c(C(C)NC(=O)c2ccco2)nc2ccccc21
b COc1cccc(N2CCN(C(=O)CCc3nnc4ccc(N5CCCC5)nn34)CC2)c1
c Cc1cccc(-c2cccc(NC(=O)C3CCCN(C(=O)c4csc(C)n4)C3)c2)c1
d COc1ccc(OC)c(N(CC(=O)Nc2cccnc2)S(=O)(=O)c2ccc(C)cc2)c1
Answer: a. CCCCCCn1c(C(C)NC(=O)c2ccco2)nc2ccccc21
{#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#}
CCCCCCn1c(C(C)NC(=O)c2ccco2)nc2ccccc21
CCCCCCn1c(C(C)NC(=O)c2ccco2)nc2ccccc21
N-[1-(1-hexylbenzimidazol-2-yl)ethyl]furan-2-carboxamide