Task: Answer the multiple choice question.
Query: Which drug has a 13.560\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COc1ccccc1NS(=O)(=O)c1cc(NC(=S)NCCN2CCOCC2)ccc1N1CCOCC1
b: CCCCN1CC(C(=O)NC2CCCCC2)CC1=O
Answer: b. CCCCN1CC(C(=O)NC2CCCCC2)CC1=O
{#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#}
CCCCN1CC(C(=O)NC2CCCCC2)CC1=O
CCCCN1CC(C(=O)NC2CCCCC2)CC1=O
1-butyl-N-cyclohexyl-5-oxopyrrolidine-3-carboxamide