Using COC(=O)c1ccc(-c2nc3nccc(-c4ccc(OC(F)F)c(OCC5CC5)c4)n3n2)cn1 to produce O=C(O)c1ccc(-c2nc3nccc(-c4ccc(OC(F)F)c(OCC5CC5)c4)n3n2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.