Task: Answer the MCQ question.
Question: Which compound exhibits a 9.291\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COc1ccc(NC(=O)COC(=O)C2CC(=O)N(CCc3ccc(OC)c(OC)c3)C2)cc1Cl
b. O=C(OCC(=O)N1CCc2ccccc2C1)c1ccc(Cl)c([N+](=O)[O-])c1
c. CCCCOc1ccc(C(=O)N/N=C/c2cn[nH]c2-c2ccc(OC)c(OC)c2)cc1
Answer: b. O=C(OCC(=O)N1CCc2ccccc2C1)c1ccc(Cl)c([N+](=O)[O-])c1
{#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=C(OCC(=O)N1CCc2ccccc2C1)c1ccc(Cl)c([N+](=O)[O-])c1
O=C(OCC(=O)N1CCc2ccccc2C1)c1ccc(Cl)c([N+](=O)[O-])c1
[2-(3,4-dihydro-1H-isoquinolin-2-yl)-2-oxoethyl] 4-chloro-3-nitrobenzoate