Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 5.112\% 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) O=c1c2ccccc2oc2nc(-c3ccco3)n(-c3ccccc3)c(=O)c12
(b) Cc1ccc(CNC(=O)C2CC3Cn4c(nc5ccccc54)C3N2C)o1
Answer: a. O=c1c2ccccc2oc2nc(-c3ccco3)n(-c3ccccc3)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(-c3ccco3)n(-c3ccccc3)c(=O)c12
O=c1c2ccccc2oc2nc(-c3ccco3)n(-c3ccccc3)c(=O)c12
2-(furan-2-yl)-3-phenylchromeno[2,3-d]pyrimidine-4,5-dione