[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C@H1][Branch1][N][C@H1][Branch1][Branch2][C@H1][Branch1][C][C][N][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a ceramide that consists of 1-deoxy-4-hydroxysphinganine in which one of the hydrogens of the amino group is substituted by a fatty acyl group. It is a ceramide and a member of phytoceramides."}]