[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][Branch1][#Branch1][N][C][=Branch1][C][=O][C][P][=Branch1][C][=O][Branch1][C][O][O-1]"}, {"from": "gpt", "value": "The molecule is an organophosphonate oxoanion that is the conjugate base of [(1S)-1-acetamidoethyl]phosphonic acid, obtained by deprotonation of one of the phosphonate OH groups. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a [(S)-1-acetamidoethyl]phosphonic acid."}]