Task: Answer the following question about the molecule with SMILES CCCCCC/C=C\CCCCCCCCCC(=O)OC[C@H](COP(=O)([O-])OCC[N+](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC.
Request: Please describe this drug.
Completion: 1-[(11Z)-octadecenoyl]-2-octadecanoyl-sn-glycero-3-phosphocholine is a 1-octadecanoyl-2-octadecenoyl-sn-glycero-3-phosphocholine in which the acyl groups specified at positions 1 and 2 are (11Z)-octadecenoyl and octadecanoyl respectively. It is functionally related to a cis-vaccenic acid.
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
CCCCCC/C=C\CCCCCCCCCC(=O)OC[C@H](COP(=O)([O-])OCC[N+](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC
CCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCC/C=C\CCCCCC)COP(=O)([O-])OCC[N+](C)(C)C
[(2R)-2-octadecanoyloxy-3-[(Z)-octadec-11-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate
Please describe this drug.