Task: Answer the multiple choice question.
Question: Which compound exhibits a 2.094\% human ether-à-go-go related gene (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) CCCCNc1nc2ccccc2n1CC(=O)N1CCc2ccccc2C1
(b) COc1cc2c(cc1NC(=S)Nc1cccc(C)c1)oc1ccccc12
(c) COC(=O)c1cccnc1-n1c(=O)c2cccnc2n(Cc2cccc([N+](=O)[O-])c2)c1=O
(d) O=C1CCC(=O)N1CN(C(=O)c1ccco1)c1ccccc1
Answer: c. COC(=O)c1cccnc1-n1c(=O)c2cccnc2n(Cc2cccc([N+](=O)[O-])c2)c1=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#}
COC(=O)c1cccnc1-n1c(=O)c2cccnc2n(Cc2cccc([N+](=O)[O-])c2)c1=O
COC(=O)c1cccnc1-n1c(=O)c2cccnc2n(Cc2cccc([N+](=O)[O-])c2)c1=O
methyl 2-[1-[(3-nitrophenyl)methyl]-2,4-dioxopyrido[2,3-d]pyrimidin-3-yl]pyridine-3-carboxylate