Using O=C(O)Cn1cnc2ccc(F)c(F)c21, CC(C)(C#N)c1ccc(CN)cc1F to produce CC(C)(C#N)c1ccc(CNC(=O)Cn2cnc3ccc(F)c(F)c32)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.