Task: Answer the multiple choice question.
Query: Which compound has a 12.130\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCn1c2c(c3ccc(OC)cc31)CCCC2=O
b. NS(=O)(=O)c1cccc(NC(=O)COC(=O)CCCc2c[nH]c3ccccc23)c1
c. CCOCCCNC(=O)CCNC(=O)c1cc(OC)c(OC)c(OC)c1
Answer: a. CCn1c2c(c3ccc(OC)cc31)CCCC2=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#}
9-ethyl-7-methoxy-3,4-dihydro-2H-carbazol-1-one