Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 13.824\% 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) O=c1oc2ccccc2cc1-c1cn2cccnc2n1
b) COc1cc(NC(=O)c2ccco2)c(OC)cc1NC(=O)CCC(=O)Nc1cc(C)cc(C)c1
c) C=CCn1c(COc2ccc(F)cc2)nnc1SCC(=O)NC1CCCC1
Answer: a. O=c1oc2ccccc2cc1-c1cn2cccnc2n1
{#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=c1oc2ccccc2cc1-c1cn2cccnc2n1
O=c1oc2ccccc2cc1-c1cn2cccnc2n1
3-imidazo[1,2-a]pyrimidin-2-ylchromen-2-one