Problem statement: Answer the multiple-choice question.
Question: Which compound has a 15.325\% 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: CCN(CC)S(=O)(=O)c1ccc(C)c(NC(=O)COC(=O)CN2C(=O)NC(C)(C)C2=O)c1
b: CN1CCN(CCCNC(=O)C2CCN(c3nnc(-n4cccc4)s3)CC2)CC1
Answer: b. CN1CCN(CCCNC(=O)C2CCN(c3nnc(-n4cccc4)s3)CC2)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#}
CN1CCN(CCCNC(=O)C2CCN(c3nnc(-n4cccc4)s3)CC2)CC1
CN1CCN(CCCNC(=O)C2CCN(c3nnc(-n4cccc4)s3)CC2)CC1
N-[3-(4-methylpiperazin-1-yl)propyl]-1-(5-pyrrol-1-yl-1,3,4-thiadiazol-2-yl)piperidine-4-carboxamide