Using N[C@H]1CC[C@H](n2nnc3cnc4[nH]ccc4c32)C1, O=C(O)CC(F)(F)F to produce O=C(CC(F)(F)F)N[C@H]1CC[C@H](n2nnc3cnc4[nH]ccc4c32)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.