[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=Branch2][Ring2][=Branch2][=C][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][P][C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][N][C][=Branch1][C][=S][N][C][C][O]"}, {"from": "gpt", "value": "The molecule is a tetracarboxylic acid that is chiral and consists of EDTA having a 4-[N'-(2-hydroxyethyl)thioureido]benzyl substituent at the 2-position. It has a role as an epitope. It is a tetracarboxylic acid and a member of thioureas."}]