Using COc1cc2nccc(Oc3ccc4cc(NC(=O)OCc5ccccc5)ccc4c3)c2cc1OC to produce COc1cc2nccc(Oc3ccc4cc(N)ccc4c3)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.