Using CCc1cc(C)cc(CC)c1-c1c(OCc2ccccc2)c(COCOC)nn(C)c1=O to produce CCc1cc(C)cc(CC)c1-c1c(OCc2ccccc2)c(CO)nn(C)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.