Task: Answer the MCQ question.
Query: Which drug exhibits a 13.642\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=C(NCc1cccs1)C1CC(c2ccc(Cl)c(Cl)c2)=NO1
b) S=C(NCc1ccc(Cl)cc1)Nc1ccccc1Cl
c) Brc1cccc(CNCCc2ccc3c(c2)OCO3)c1.O=C(O)C(=O)O
d) CC(C)C(C)NC(=O)CSc1nnc(-c2c[nH]c3ccccc23)o1
Answer: b. S=C(NCc1ccc(Cl)cc1)Nc1ccccc1Cl
{#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#}
S=C(NCc1ccc(Cl)cc1)Nc1ccccc1Cl
S=C(NCc1ccc(Cl)cc1)Nc1ccccc1Cl
1-(2-chlorophenyl)-3-[(4-chlorophenyl)methyl]thiourea