Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 3.473\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CNC(=S)NNC(=O)Cc1ccc(O)cc1
(b) CCCc1cc(N2CCN(C(=O)c3ccco3)CC2)n2c(nc3ccccc32)c1C#N
Answer: a. CNC(=S)NNC(=O)Cc1ccc(O)cc1
{#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)NNC(=O)Cc1ccc(O)cc1
CNC(=S)NNC(=O)Cc1ccc(O)cc1
1-[[2-(4-hydroxyphenyl)acetyl]amino]-3-methylthiourea