Using CC(=O)N1CCN(c2ccc3nc(N)c(C#N)c(O)c3c2)CC1, O=P(Cl)(Cl)Cl to produce CC(=O)N1CCN(c2ccc3nc(N)c(C#N)c(Cl)c3c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.