Using COc1ccc(CCl)cc1, O=C1NC(CCc2ccccc2Cl)C(=O)Nc2ccc(Cl)cc21 to produce COc1ccc(CN2C(=O)C(CCc3ccccc3Cl)NC(=O)c3cc(Cl)ccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.