Using CCOC(=O)C(=O)CBr, N=C(Nc1ccc(Cl)cc1)c1ccc(Cl)cc1Cl to produce CCOC(=O)C1(O)CN(c2ccc(Cl)cc2)C(c2ccc(Cl)cc2Cl)=N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.