[{"from": "human", "value": "Please give me some details about this molecule. [O-1][Cr][=Branch1][C][=O][=Branch1][C][=O][O-1].[Pb+2]"}, {"from": "gpt", "value": "The molecule is a chromium coordination entity comprising chromate and lead(2+) ions in a 1:1 ratio It has a role as a carcinogenic agent, a neurotoxin and a nephrotoxin. It is a lead coordination entity and a chromium coordination entity. It contains a lead(2+) and a chromate(2-)."}]