Using CC(=O)Nc1ccc(C=c2c3ccccc3c3[nH]c(=O)c4nccn4c23)cc1 to produce CC(=O)Nc1ccc(CC2c3ccccc3-c3[nH]c(=O)c4nccn4c32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.