Using CCOC(=O)Nc1ccccc1Nc1cc(Cl)cc(Cl)c1OC to produce COc1c(Cl)cc(Cl)cc1-n1c(=O)[nH]c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.