Using Oc1cccnc1, Nc1ncc(-c2cc(Nc3cnc4ccccc4c3)nc(N3CCOCC3)n2)cn1 to produce Nc1ncc(-c2cc(Oc3cccnc3)nc(N3CCOCC3)n2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.