Using COc1cccc(-c2cc(C(N)=O)c3[nH]c4cc(NC(=O)OCc5ccccc5)ccc4c3c2)c1 to produce COc1cccc(-c2cc(C(N)=O)c3[nH]c4cc(N)ccc4c3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.