[{"from": "human", "value": "Describe this molecule. [C][O][C][C][O][C][=Branch1][C][=O][N][C][C][C][C][C@@H1][Branch2][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][C][C][C][C][C][O][P][=Branch1][C][=O][Branch1][C][C][O][N][C][=Branch1][C][=O][O][C][C][O][C]"}, {"from": "gpt", "value": "The molecule is a polynucleotide aptamer. Pegatinib aids neovascular age-related macular degeneration by binding to VEGF which in order reduces angiogenesis and vessel permeability.  Pegaptanib was granted FDA approval on 17 September 2004."}]