Using CC(=O)Nc1ccc2c(Cc3ccncc3)nnc(O)c2c1, O=P(Cl)(Cl)Cl to produce CC(=O)Nc1ccc2c(Cc3ccncc3)nnc(Cl)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.