Using COCc1ccc(C(=O)NCc2cc3ccc(O)cc3o2)c(N)n1, OCc1ccccn1 to produce COCc1ccc(C(=O)NCc2cc3ccc(OCc4ccccn4)cc3o2)c(N)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.