Using COC(=O)[C@@H]1OC(=O)N(C(=O)NCCCN2CCC(c3ccc(F)cc3)CC2)[C@H]1c1ccc(F)c(F)c1 to produce O=C(O)[C@@H]1OC(=O)N(C(=O)NCCCN2CCC(c3ccc(F)cc3)CC2)[C@H]1c1ccc(F)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.