Task: Answer the MCQ question.
Question: Which compound has a 4.273\% 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 or b without using any other words.
Options:
a.) O=C(c1cc2c(s1)CCCC2)N1CCC2(CC1)OCCO2
b.) O=C(CCC(=O)OCC(=O)c1cccc([N+](=O)[O-])c1)Nc1ccccc1Cl
Answer: b. O=C(CCC(=O)OCC(=O)c1cccc([N+](=O)[O-])c1)Nc1ccccc1Cl
{#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(CCC(=O)OCC(=O)c1cccc([N+](=O)[O-])c1)Nc1ccccc1Cl
O=C(CCC(=O)OCC(=O)c1cccc([N+](=O)[O-])c1)Nc1ccccc1Cl
[3-[2-[4-(2-chloroanilino)-1,4-dioxobutoxy]acetyl]phenyl]-oxido-oxoazanium