Task: Answer the multiple choice question.
Question: Which compound has a 18.187\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=C(Nc1nnc(C2CC2)s1)c1ccccn1
b O=C(NNc1ccc(Cl)cc1)c1cccs1
c CCCS(=O)(=O)N1CCCC(C(=O)N2CCCCC2)C1
Answer: c. CCCS(=O)(=O)N1CCCC(C(=O)N2CCCCC2)C1
{#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#}
CCCS(=O)(=O)N1CCCC(C(=O)N2CCCCC2)C1
CCCS(=O)(=O)N1CCCC(C(=O)N2CCCCC2)C1
piperidin-1-yl-(1-propylsulfonylpiperidin-3-yl)methanone