Using CCOC(=O)c1cc2c([N+](=O)[O-])c(-c3ccc(OC(C)C)cc3)ccc2n1-c1ccc(OC(C)C)cc1 to produce CCOC(=O)c1cc2c(N)c(-c3ccc(OC(C)C)cc3)ccc2n1-c1ccc(OC(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.