Using CCOC(=O)/C=C/c1ccc(-c2ncn(-c3ccc(OC(F)(F)F)cc3)n2)cc1 to produce O=C(O)/C=C/c1ccc(-c2ncn(-c3ccc(OC(F)(F)F)cc3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.