Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 3.194\% 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) O=C(Cn1nnc2ccccc2c1=O)NC1CCCc2ccccc21
(b) CCOC(=O)N1CCC(NC(=O)CCC(=O)c2ccccc2)CC1
Answer: b. CCOC(=O)N1CCC(NC(=O)CCC(=O)c2ccccc2)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#}
CCOC(=O)N1CCC(NC(=O)CCC(=O)c2ccccc2)CC1
CCOC(=O)N1CCC(NC(=O)CCC(=O)c2ccccc2)CC1
[C][C][O][C][=Branch1][C][=O][N][C][C][C][Branch2][Ring1][Ring2][N][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][Ring2][Ring1][Ring1]
ethyl 4-[(4-oxo-4-phenylbutanoyl)amino]piperidine-1-carboxylate