Using CCOC(=O)[C@@H]1CN(C(=O)OC(C)(C)C)CC[C@H]1c1ccn(CC)c(=O)c1 to produce CCn1ccc([C@@H]2CCN(C(=O)OC(C)(C)C)C[C@H]2C(=O)O)cc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.