[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a hydroxamic acid anion resulting from the removal of a proton from each of the hydroxamic acid groups of desferrioxamine B It has a role as a siderophore. It is a conjugate base of a desferrioxamine B."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][Branch2][Ring2][S][C][C][C][C][C][N][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][N][Branch2][Ring1][O][C][C][C][C][C][N][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][N][Branch1][#Branch1][C][C][C][C][C][N][O-1][O-1][O-1]"}]