Using CC(C)(C)OC(=O)N1CCC[C@@H]([C@@](C)(OCCN)c2cccc(Cl)c2)C1, COC(=O)Cl to produce COC(=O)NCCO[C@@](C)(c1cccc(Cl)c1)[C@@H]1CCCN(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.