Using O=Cc1ccc[nH]c1=O, OB(O)c1ccc(OC(F)(F)F)cc1 to produce O=Cc1cccn(-c2ccc(OC(F)(F)F)cc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.