Using CCn1c(=O)c(N=O)c(N)n2nc(COCc3ccc(OC)cc3)nc12 to produce CCn1c(=O)c(N)c(N)n2nc(COCc3ccc(OC)cc3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.