[{"from": "human", "value": "Could you provide a description of this molecule? [C][O][C][C][N][C][=Branch1][C][=O][O][C][C][Branch1][N][C][O][C][=Branch1][C][=O][N][C][C][O][C][O][C][C][C][C][=Branch1][C][=O][N][C][C][N][C][=Branch1][C][=O][C][C][N][C][=Branch1][C][=O][C][C][Branch1][Branch1][C][Ring1][=Branch1][=O][S][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a pegylated form of a thermostable and protease resistant peptide targeting human vascular endothelial growth factor receptor-2 (VEGFR-2) with potential antiangiogenic activity. Derived from the 10th type III domain of human fibronectin and one of the natural ligands, pegdinetanib binds to VEGFR-2 and prevents activation of VEGFR-2 by other activating ligands. This may inhibit the growth of new tumor blood vessels."}]