Using Cc1nc2c(-c3ccc(Cl)cc3Cl)nccc2c(O)c1C(=O)O, O=P(Cl)(Cl)Cl to produce Cc1cc(Cl)c2ccnc(-c3ccc(Cl)cc3Cl)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.