[{"from": "human", "value": "Describe this molecule. [C][C][C][Ring1][Ring1][C][O][C][=C][Branch2][Ring1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][=C][Branch1][Branch2][C][=N][C][=C][Ring1][=Branch1][Cl][Cl][O][C][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule is a Phosphodiesterase 4 Inhibitor. The mechanism of action of roflumilast is as a Phosphodiesterase 4 Inhibitor."}]