Task: Answer the MCQ question.
Query: Which compound has a 3.316\% 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: CC1CC2(CCCCC2)N2C(=O)C(=O)c3cccc1c32
b: CCOC(=O)CSc1nc2sc(C)c(C)c2c(=O)[nH]1
c: Cn1c(=O)c2c(ncn2CC(N)=O)n(C)c1=O
Answer: a. CC1CC2(CCCCC2)N2C(=O)C(=O)c3cccc1c32
{#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#}
CC1CC2(CCCCC2)N2C(=O)C(=O)c3cccc1c32
CC1CC2(CCCCC2)N2C(=O)C(=O)c3cccc1c32
9-methylspiro[1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-triene-11,1'-cyclohexane]-2,3-dione