Using CCOC(=O)C(=O)C(C)Br, N=C(Nc1ccc(Br)cc1)c1ccc(Cl)cc1Cl to produce CCOC(=O)c1nc(-c2ccc(Cl)cc2Cl)n(-c2ccc(Br)cc2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.