Task: Answer the multiple choice question.
Query: Which compound has a 4.886\% human ether-à-go-go related gene (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: COc1ccc(CC(=O)NNC(=O)c2cccs2)cc1
b: CCCCN(C)C(=O)c1nc2ccccn2c1CNC1CCC1
Answer: b. CCCCN(C)C(=O)c1nc2ccccn2c1CNC1CCC1
{#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#}
CCCCN(C)C(=O)c1nc2ccccn2c1CNC1CCC1
CCCCN(C)C(=O)c1nc2ccccn2c1CNC1CCC1
N-butyl-3-[(cyclobutylamino)methyl]-N-methylimidazo[1,2-a]pyridine-2-carboxamide