Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 12.269\% 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) CCCCCn1c(=O)c(C(=O)Nc2c(C)n(C)n(-c3ccccc3)c2=O)c(O)c2ccccc21
(b) CC(C)OC(=O)c1cc2ccccc2oc1=O
Answer: b. CC(C)OC(=O)c1cc2ccccc2oc1=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#}
CC(C)OC(=O)c1cc2ccccc2oc1=O
CC(C)OC(=O)c1cc2ccccc2oc1=O
propan-2-yl 2-oxochromene-3-carboxylate