Using CC(=O)c1cncc(-c2cnc3c(c2)CCCN3C(N)=O)c1 to produce CC(O)c1cncc(-c2cnc3c(c2)CCCN3C(N)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.