Using COC(=O)[C@@H](CC(=O)O)CC(C)C, c1ccc2c(c1)CCNC2 to produce COC(=O)C(CC(=O)N1CCc2ccccc2C1)CC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.