Using COc1cc(-n2cnc(Cl)cc2=O)ccc1OCC(C)(C)O, OCc1ccc(Cl)cc1 to produce COc1cc(-n2cnc(OCc3ccc(Cl)cc3)cc2=O)ccc1OCC(C)(C)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.