Using C[C@@H](CC(N)=O)Nc1ccccc1, O=C(Cl)OCc1ccccc1 to produce C[C@@H](CC(=O)NC(=O)OCc1ccccc1)Nc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.