[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=Branch1][#Branch2][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][N]"}, {"from": "gpt", "value": "The molecule is a complexing agent used in the detection of metals and organic bases and used as an accelerator in the vulcanization of rubber. It is found in some rubber products. It is also a dermatological sensitizer and allergen.  Sensitivity to diphenylguanidine may be identified with a clinical patch test."}]