Using NC=O, COc1cccc(-n2c(N)cc(=O)n(Cc3ccccc3)c2=O)c1 to produce COc1cccc(-n2c(=O)n(Cc3ccccc3)c(=O)c3[nH]cnc32)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.