Using CC1=C(C(=O)OCCO)C(c2cccc([N+](=O)[O-])c2)C(C(=O)OC(C)C)=C(C)N1 to produce Cc1nc(C)c(C(=O)OC(C)C)c(-c2cccc([N+](=O)[O-])c2)c1C(=O)OCCO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.