Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 12.953\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a COC(=O)c1ccc(S(=O)(=O)N2CCCCCC2)cc1
b CCCCOC1CC(c2ccc(OCc3ccc(OC)cc3)c(OC)c2)N(C)O1
Answer: b. CCCCOC1CC(c2ccc(OCc3ccc(OC)cc3)c(OC)c2)N(C)O1
{#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#}
5-butoxy-3-[3-methoxy-4-[(4-methoxyphenyl)methoxy]phenyl]-2-methyl-1,2-oxazolidine