Using CI, C[C@@H]1CN(CC(=O)N2CC(C)(C)c3ccc(Cl)cc32)[C@@H](CO)CN1C(=O)OC(C)(C)C to produce COC[C@H]1CN(C(=O)OC(C)(C)C)[C@H](C)CN1CC(=O)N1CC(C)(C)c2ccc(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.