Using CCc1cc(OC)c(Oc2ccc(C(=O)N3CCN(CC(N)=O)C(=O)C3)cc2F)cc1F to produce CCc1cc(O)c(Oc2ccc(C(=O)N3CCN(CC(N)=O)C(=O)C3)cc2F)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.