Using O=Cc1cc(C(F)(F)F)cc(C(F)(F)F)c1, Cn1nnc(N)n1 to produce Cn1nnc(NCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.