Using COc1ccc2c(c1)C[C@H](N)CC2, CC(C)(C)OC(=O)N1CCC(=O)CC1 to produce COc1ccc2c(c1)C[C@H](NC1CCN(C(=O)OC(C)(C)C)CC1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.