[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@][Branch2][Branch1][#C][C@H1][C][C@H1][C@@H1][Branch2][Branch1][Ring1][C][=Branch1][C][=O][C][=Branch2][Ring2][=Branch1][=C][Branch2][Ring1][P][C@][Ring1][#Branch1][Branch2][Ring1][#Branch2][C][=Branch1][C][=O][C@][Ring1][N][Branch1][S][C][=Branch1][C][=O][C][=C][Ring1][P][C][=C][C][=C][Ring1][=Branch1][O][O][O][O-1][C][=Branch1][C][=O][N][NH1+1][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a zwitterion obtained by transfer of a proton from the 2-hydroxy group to the 1-amino group of 11a-hydroxytetracycline. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a zwitterion and an an 11a-hydroxytetracyline zwitterion. It is a tautomer of an 11a-hydroxytetracycline."}]