Using COC(COc1ccc2c(O)cc(-c3nc(C(C)C)cs3)nc2c1C)OC, O=P(Cl)(Cl)Cl to produce COC(COc1ccc2c(Cl)cc(-c3nc(C(C)C)cs3)nc2c1C)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.