Task: Answer the multiple-choice question.
Query: Which compound exhibits a 16.239\% 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. Nc1nc2ccccc2n1C(=O)CCc1ccccc1
b. CC1(c2ccccc2)NC(=O)N(CC(=O)Nc2ccc(C(N)=O)cc2)C1=O
Answer: b. CC1(c2ccccc2)NC(=O)N(CC(=O)Nc2ccc(C(N)=O)cc2)C1=O
{#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#}
CC1(c2ccccc2)NC(=O)N(CC(=O)Nc2ccc(C(N)=O)cc2)C1=O
CC1(c2ccccc2)NC(=O)N(CC(=O)Nc2ccc(C(N)=O)cc2)C1=O
4-[[2-(4-methyl-2,5-dioxo-4-phenylimidazolidin-1-yl)acetyl]amino]benzamide