Using Nc1cncnc1, CCc1ccc(Nc2noc3c(C(=O)O)c(Cl)ccc23)cc1 to produce CCc1ccc(Nc2noc3c(C(=O)Nc4cncnc4)c(Cl)ccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.