Task: Answer the MCQ question.
Question: Which compound exhibits a 4.678\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1ccc(C2C(C#N)=C(N)Oc3n[nH]c(C)c32)cc1Cn1nnc2ccccc21
[b] O=C(O)c1cccc(N2C(=O)/C(=C/c3ccc([N+](=O)[O-])cc3)C=C2c2ccccc2)c1
Answer: b. O=C(O)c1cccc(N2C(=O)/C(=C/c3ccc([N+](=O)[O-])cc3)C=C2c2ccccc2)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(O)c1cccc(N2C(=O)/C(=C/c3ccc([N+](=O)[O-])cc3)C=C2c2ccccc2)c1
O=C(O)c1cccc(N2C(=O)/C(=C/c3ccc([N+](=O)[O-])cc3)C=C2c2ccccc2)c1
3-[(3E)-3-[(4-nitrophenyl)methylidene]-2-oxo-5-phenylpyrrol-1-yl]benzoic acid