Using COC(=O)[C@@H](N)Cc1c[nH]c2ccccc12, Cc1cc(C)cc(CC(=O)O)c1 to produce COC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)Cc1cc(C)cc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.