Using Cn1c(N)c(NC(=O)Cc2ccc(N)cc2)c(=O)n(C)c1=O to produce Cn1c(=O)c2[nH]c(Cc3ccc(N)cc3)nc2n(C)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.