Using CCOC(=O)c1cnn(-c2ccc(C#N)cc2)c1C(F)(F)F to produce N#Cc1ccc(-n2ncc(C(=O)O)c2C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.