Using CC(C)(C[C@@H](CC(=C=O)N1CC[C@H]2CN(C(=O)C3(C#N)CC3)C[C@H]21)Cc1cc(F)c(F)cc1F)OC(N)=O, O=C([O-])[O-] to produce CC(C)(C[C@@H](CC(=C=O)N1CC[C@H]2CN(C(=O)C3(C(N)=O)CC3)C[C@H]21)Cc1cc(F)c(F)cc1F)OC(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.