Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 19.413\% 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 other words.
Options:
(a) O=C(NC(=S)Nc1ccc(Cl)c(C(=O)O)c1)c1ccc(OCc2ccccc2)cc1
(b) CCC1CCCCN1C(=O)CSc1nc(N)cc(N)n1
(c) CCCCn1c(NCCN(C)C)nc2c1c(=O)[nH]c(=O)n2C
Answer: b. CCC1CCCCN1C(=O)CSc1nc(N)cc(N)n1
{#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#}
CCC1CCCCN1C(=O)CSc1nc(N)cc(N)n1
CCC1CCCCN1C(=O)CSc1nc(N)cc(N)n1
2-(4,6-diaminopyrimidin-2-yl)sulfanyl-1-(2-ethylpiperidin-1-yl)ethanone