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