Using O, CC(=O)OCc1nnnn1-c1cc(C#N)cc(C(F)(F)F)c1 to produce NC(=O)c1cc(-n2nnnc2CO)cc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.