Using Cc1cc(N)nc(CCc2nc3cc(-c4cccc(OCc5ccccc5)c4)cnc3[nH]2)c1 to produce Cc1cc(N)nc(CCc2nc3cc(-c4cccc(O)c4)cnc3[nH]2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.