Problem statement: Answer the multiple-choice question.
Query: Which compound has a 13.598\% 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, b, or c without using any other words.
Options:
a: COc1c[nH]n(C2CCCCC2)c(=O)c1=O
b: COc1ccc(S(=O)(=O)N2CCCCC2)cc1NC(=O)Cn1c(=O)cnc2ccccc21
c: Cc1cc(-n2cnnn2)cc(C)c1S(=O)(=O)N(C)c1ccccc1
Answer: a. COc1c[nH]n(C2CCCCC2)c(=O)c1=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#}
COc1c[nH]n(C2CCCCC2)c(=O)c1=O
COc1c[nH]n(C2CCCCC2)c(=O)c1=O
2-cyclohexyl-5-methoxy-1H-pyridazine-3,4-dione