Problem statement: Answer the multiple choice question.
Query: Which drug has a 9.531\% 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 other words.
Options:
(a) COc1ccc(NC(=O)CC(c2ccc(F)cc2)c2ccc(OC(C)C)cc2)cc1
(b) CCn1cnc2c(oc3ccccc32)c1=O
Answer: b. CCn1cnc2c(oc3ccccc32)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#}
CCn1cnc2c(oc3ccccc32)c1=O
CCn1cnc2c(oc3ccccc32)c1=O
3-ethyl-[1]benzofuro[3,2-d]pyrimidin-4-one