Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 20.690\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCSc1ccccc1C(=O)N1CCN(c2ccccc2F)CC1
b: COCCn1c(C)cc(C(=O)CSc2nnc3ccccn23)c1C
Answer: a. CCSc1ccccc1C(=O)N1CCN(c2ccccc2F)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#}
CCSc1ccccc1C(=O)N1CCN(c2ccccc2F)CC1
CCSc1ccccc1C(=O)N1CCN(c2ccccc2F)CC1
(2-ethylsulfanylphenyl)-[4-(2-fluorophenyl)piperazin-1-yl]methanone