Task: Answer the multiple-choice question.
Question: Which compound exhibits a -3.970\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCc1cc(Br)ccc1NC(=O)C1CCCO1
b CC(C)(C)c1ccc2c(c1)OC(C(=O)N/N=C/c1ccc([N+](=O)[O-])o1)CO2
c O=C1CCCN1C(=O)CCC(=O)N1CCCC1=O
d Cc1ccc2cc(CN(Cc3ccc4c(c3)OCO4)Cc3nnnn3Cc3ccco3)c(=O)[nH]c2c1
Answer: c. O=C1CCCN1C(=O)CCC(=O)N1CCCC1=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#}
O=C1CCCN1C(=O)CCC(=O)N1CCCC1=O
O=C1CCCN1C(=O)CCC(=O)N1CCCC1=O
1-(2-oxopyrrolidin-1-yl)-4-(2-oxopyrrolidin-1-yl)butane-1,4-dione