Using COC(=O)c1cccc(N)c1, CC(=O)c1ccc(OCC(=O)O)cc1 to produce COC(=O)c1cccc(NC(=O)COc2ccc(C(C)=O)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.