Problem statement: Answer the multiple-choice question.
Question: Which compound has a 15.172\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=CN(CCN(C=O)CN1CCCCC1)CN1CCCCC1
b. Cl.OCCCCNCc1ccc(OCc2ccccc2Cl)cc1
c. CCc1ccc(NS(=O)(=O)c2c(C)nc3sc(CC)nn3c2=O)cc1
Answer: a. O=CN(CCN(C=O)CN1CCCCC1)CN1CCCCC1
{#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#}
N-[2-[formyl(piperidin-1-ylmethyl)amino]ethyl]-N-(piperidin-1-ylmethyl)formamide