[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a bioactive sphingoid which is the 1-deoxymethyl derivative of sphinganine. It is an amino alcohol and a sphingoid. It is functionally related to a sphinganine. It is a conjugate base of a 1-deoxymethylsphinganine(1+)."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C@H1][Branch1][Ring1][C][N][O]"}]