Using CI, COC(=O)[C@]1(CO)CC[C@H](c2ccc(OCc3ccccc3F)c(OC)c2)N1C(=O)OC(C)(C)C to produce COC[C@@]1(C(=O)OC)CC[C@H](c2ccc(OCc3ccccc3F)c(OC)c2)N1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.