Using CN(C)C=O, CCOC(=O)c1nc(-c2ccccc2Cl)n(-c2ccc(Cl)cc2)c1Br to produce CCOC(=O)c1nc(-c2ccccc2Cl)n(-c2ccc(Cl)cc2)c1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.