Task: Answer the MCQ question.
Query: Which drug has a 3.896\% 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) COc1ccc(-c2noc(N3CCCC(C(=O)Nc4ccc(F)cc4F)C3)n2)cc1
(b) Cc1ccccc1NC(=S)NCc1ccccc1
(c) O=C(CNC(=O)c1ccc(Cl)cc1Cl)OCCCn1c(=O)[nH]c2ccccc21
Answer: b. Cc1ccccc1NC(=S)NCc1ccccc1
{#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#}
Cc1ccccc1NC(=S)NCc1ccccc1
Cc1ccccc1NC(=S)NCc1ccccc1
1-benzyl-3-(2-methylphenyl)thiourea