Task: Answer the multiple-choice question.
Query: Which drug has a 6.342\% 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) O=C1C2CCCN2C(c2ccccc2)N1c1ccc(Cl)cc1
b) NC(=S)Nn1c(CCC(=O)O)ccc1-c1ccccc1
c) Cc1ccc(-n2c(=O)[nH]cc(C(=O)N3CCc4ccccc43)c2=O)cc1
Answer: b. NC(=S)Nn1c(CCC(=O)O)ccc1-c1ccccc1
{#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#}
NC(=S)Nn1c(CCC(=O)O)ccc1-c1ccccc1
NC(=S)Nn1c(CCC(=O)O)ccc1-c1ccccc1
[2-(3-hydroxy-3-oxopropyl)-5-phenylpyrrol-1-yl]thiourea