[{"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][=O][C][Br]"}, {"from": "gpt", "value": "The molecule is a tetracarboxylic acid consisting of ethylenediaminetetraacetic acid having a 4-bromoacetamidobenzyl group at the C1-position and (S)-configuration. It has a role as a chelator."}]