[{"from": "human", "value": "Describe this molecule. [O-1][Si][Branch1][C][O-1][Branch1][C][O-1][O-1].[Ca+2]"}, {"from": "gpt", "value": "The molecule is an inorganic calcium salt having silicate as the counterion. It has a role as a food anticaking agent, an antacid and a flame retardant. It contains a silicate(4-)."}]