Task: Answer the multiple choice question.
Query: Which compound has a 3.727\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COCC(C)n1c(C)cc(C(=O)COC(=O)c2oc3ccccc3c2C)c1C
[b] CNC(=S)Nc1ccccc1-c1ccccc1
Answer: b. CNC(=S)Nc1ccccc1-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#}
CNC(=S)Nc1ccccc1-c1ccccc1
CNC(=S)Nc1ccccc1-c1ccccc1
1-methyl-3-(2-phenylphenyl)thiourea