Using COc1cccc(CNC(=O)Nc2ccc3[nH]nc(N)c3c2)c1 to produce Nc1n[nH]c2ccc(NC(=O)NCc3cccc(O)c3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.