[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][/C][=Branch1][=Branch2][=C][/C][=C][N][=C][N][Ring1][Branch1][/C][=Branch1][C][=O][N][Ring1][=N]"}, {"from": "gpt", "value": "The molecule is an agent or endogenous substance that inhibits the formation of capillaries from existing blood vessels. In cancer therapy, angiogenesis inhibitors preferentially target the new blood vessels that tumors require for oxygen and nutrition, thereby inhibiting the growth and spread of these tumors."}]