Using Oc1ccccc1, Cc1cc(-c2nc3cnc(Cl)nc3o2)cc(C)c1OCC(=O)OC(C)(C)C to produce Cc1cc(-c2nc3cnc(Oc4ccccc4)nc3o2)cc(C)c1OCC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.