Task: Answer the multiple-choice question.
Query: Which drug exhibits a -2.618% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: O=C1COc2ccc(S(=O)(=O)N3CCc4ccccc43)cc2N1
b: CCc1ccc2nc(Nc3ccc(OC)cc3OC)c(C#N)cc2c1
c: CCOc1cc(CNCCN2CCOCC2)ccc1OCc1ccccc1Cl.Cl
d: O=C(CNS(=O)(=O)c1ccccc1)OCC(=O)c1ccccc1Cl
Answer: b. CCc1ccc2nc(Nc3ccc(OC)cc3OC)c(C#N)cc2c1
{#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#}
CCc1ccc2nc(Nc3ccc(OC)cc3OC)c(C#N)cc2c1
CCc1ccc2nc(Nc3ccc(OC)cc3OC)c(C#N)cc2c1
2-(2,4-dimethoxyanilino)-6-ethylquinoline-3-carbonitrile