Task: Answer the multiple-choice question.
Question: Which drug has a 13.987\% 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. CCc1ccccc1NC(=O)C(Cc1cccc(OC)c1OC)c1nn[nH]n1
b. COc1ccc(NC(=S)Nc2ncccc2C)c(OC)c1
Answer: b. COc1ccc(NC(=S)Nc2ncccc2C)c(OC)c1
{#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#}
COc1ccc(NC(=S)Nc2ncccc2C)c(OC)c1
COc1ccc(NC(=S)Nc2ncccc2C)c(OC)c1
1-(2,4-dimethoxyphenyl)-3-(3-methylpyridin-2-yl)thiourea