Using COC(=O)c1ccc(OC)c2oc3ccnc(O)c3c12, O=P(Cl)(Cl)Cl to produce COC(=O)c1ccc(OC)c2oc3ccnc(Cl)c3c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.