Using COCBr, COC(=O)C1C(=O)Nc2ccc(Cl)cc2CC1c1ccc(OC)cc1 to produce COCN1C(=O)C(C(=O)OC)C(c2ccc(OC)cc2)Cc2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.