Using CCO, CC1(C)CC(=O)c2c(C(F)F)nn(-c3ccc(C#N)c(NC4CCOCC4)c3)c2C1 to produce CC1(C)CC(=O)c2c(C(F)F)nn(-c3ccc(C(N)=O)c(NC4CCOCC4)c3)c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.