Task: Answer the multiple choice question.
Query: Which compound has a -1.616\% 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 CCCS(=O)(=O)N1CCCC(C(=O)NCCN(CC)c2ccccc2)C1
b CC(=O)N1c2ccc(S(=O)(=O)N3CCCCC3)cc2CC1C
Answer: a. CCCS(=O)(=O)N1CCCC(C(=O)NCCN(CC)c2ccccc2)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)NCCN(CC)c2ccccc2)C1
CCCS(=O)(=O)N1CCCC(C(=O)NCCN(CC)c2ccccc2)C1
N-[2-(N-ethylanilino)ethyl]-1-propylsulfonylpiperidine-3-carboxamide