Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -2.695\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: COc1ccccc1NC(=O)CN1CC(=O)Nc2ccccc21
b: Cc1nc2ccccn2c1C(=O)CSc1ccccc1Cl
c: C=CC1CN(C(=O)OCC(Cl)(Cl)Cl)C2CC3c4ccc(OC)cc4NC3C3CC1C2CO3
Answer: b. Cc1nc2ccccn2c1C(=O)CSc1ccccc1Cl
{#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#}
Cc1nc2ccccn2c1C(=O)CSc1ccccc1Cl
Cc1nc2ccccn2c1C(=O)CSc1ccccc1Cl
2-(2-chlorophenyl)sulfanyl-1-(2-methylimidazo[1,2-a]pyridin-3-yl)ethanone