Using CCOC(=O)CBr, O=C(Nc1cccc(Cl)c1Cl)c1ccc(O)cc1 to produce CCOC(=O)COc1ccc(C(=O)Nc2cccc(Cl)c2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.