Task: Answer the multiple-choice question.
Question: Which compound has a -0.854\% 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 additional words.
Options:
a. O=c1c2ccccc2oc2nc(C3CCCCC3)n(Cc3ccco3)c(=O)c12
b. COc1ccc(CCNCc2ccncc2)cc1OC
Answer: a. O=c1c2ccccc2oc2nc(C3CCCCC3)n(Cc3ccco3)c(=O)c12
{#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#}
O=c1c2ccccc2oc2nc(C3CCCCC3)n(Cc3ccco3)c(=O)c12
O=c1c2ccccc2oc2nc(C3CCCCC3)n(Cc3ccco3)c(=O)c12
2-cyclohexyl-3-(furan-2-ylmethyl)chromeno[2,3-d]pyrimidine-4,5-dione