Using CSCn1nnc2c(C(=O)O)ncn2c1=O, NNC(=O)c1ccccc1 to produce CSCn1nnc2c(C(=O)NNC(=O)c3ccccc3)ncn2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.