Using COc1ccc2c(c1)C(=O)c1ccc(Nc3ccccc3Cl)cc1CC2 to produce O=C1c2ccc(Nc3ccccc3Cl)cc2CCc2ccc(O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.