[{"from": "human", "value": "Could you provide a description of this molecule? [B][Branch2][Ring1][=C][C][=C][Branch1][Branch1][C][O][Ring1][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][Branch2][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][#N][O]"}, {"from": "gpt", "value": "The molecule is a Phosphodiesterase 4 Inhibitor. The mechanism of action of crisaborole is as a Phosphodiesterase 4 Inhibitor."}]