Problem statement: Answer the multiple choice question.
Query: Which drug has a 13.241\% 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)CSc2nnnn2C2CC3C=CC2C3)cc1
(b) CC(=O)C1=C(O)C(=O)N(Cc2ccccc2)C1c1ccc([N+](=O)[O-])cc1
Answer: b. CC(=O)C1=C(O)C(=O)N(Cc2ccccc2)C1c1ccc([N+](=O)[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#}
CC(=O)C1=C(O)C(=O)N(Cc2ccccc2)C1c1ccc([N+](=O)[O-])cc1
CC(=O)C1=C(O)C(=O)N(Cc2ccccc2)C1c1ccc([N+](=O)[O-])cc1
3-acetyl-1-benzyl-4-hydroxy-2-(4-nitrophenyl)-2H-pyrrol-5-one