Task: Answer the multiple-choice question.
Query: Which drug exhibits a 1.911% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: CCOc1ccc(Cn2c3ccc(OC)cc3c3nc4ccccc4nc32)cc1OC
b: O=c1oc2ccccc2cc1-c1cn2cccnc2n1
c: CC(C)N(Cc1cc2ccccc2[nH]c1=O)C(=O)c1ccco1
d: Fc1ccc(NC(=S)N2CCc3ccccc3C2)c(F)c1
e: CC1CCCN(C(=O)CSc2nnc3ccccn23)C1
Answer: b. 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_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=c1oc2ccccc2cc1-c1cn2cccnc2n1
O=c1oc2ccccc2cc1-c1cn2cccnc2n1
3-imidazo[1,2-a]pyrimidin-2-ylchromen-2-one