Using CCOC(=O)c1cc(-c2ccc(CN3CCOCC3)cc2)nc2c1c(Br)nn2C(C)C to produce CC(C)n1nc(Br)c2c(C(=O)O)cc(-c3ccc(CN4CCOCC4)cc3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.