Using CC(=N)N, NNC(=O)Nc1ccc(OC(F)(F)C(F)F)cc1 to produce Cc1n[nH]c(=O)n1-c1ccc(OC(F)(F)C(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.