Using COc1ccc2c(c1)C(=O)C(=O)N2, CCOc1ccccc1Br to produce CCOc1ccccc1C1(O)C(=O)Nc2ccc(OC)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.