Using CI, O=C(OCc1ccccc1)N1CCc2ccc3c(c2CC1)C(O)C(F)(F)C3 to produce COC1c2c(ccc3c2CCN(C(=O)OCc2ccccc2)CC3)CC1(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.