Using c1ccc(CNc2c(-c3ccccc3)n[nH]c2-c2ccccc2)cc1 to produce c1ccc(-c2nc3c(-c4ccccc4)n[nH]c3c3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.