Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 4.286\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1ccc(NC(=O)CN(Cc2ccccc2)S(C)(=O)=O)c(OC)c1
b) Cc1cc2nc3c(=O)n(CCc4ccccc4)c(=O)[nH]c3nc2cc1N
Answer: b. Cc1cc2nc3c(=O)n(CCc4ccccc4)c(=O)[nH]c3nc2cc1N
{#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#}
Cc1cc2nc3c(=O)n(CCc4ccccc4)c(=O)[nH]c3nc2cc1N
Cc1cc2nc3c(=O)n(CCc4ccccc4)c(=O)[nH]c3nc2cc1N
8-amino-7-methyl-3-(2-phenylethyl)-1H-benzo[g]pteridine-2,4-dione