Using O=C1C2COCCN2C(=O)N1c1ccc([N+](=O)[O-])cc1Cl to produce Nc1ccc(N2C(=O)C3COCCN3C2=O)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.