User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is a phosphatidylcholine 42:4 in which the acyl groups specified at positions 1 and 2 are (6Z,9Z,12Z)-octadecatrienoyl and (15Z)-tetracosenoyl respectively. It derives from a gamma-linolenic acid and a (15Z)-tetracosenoic acid.
Assistant: This is a molecule that fits this description: CCCCC/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)([O-])OCC[N+](C)(C)C)OC(=O)CCCCCCCCCCCCC/C=C\CCCCCCCC
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
[(2R)-3-[(6Z,9Z,12Z)-octadeca-6,9,12-trienoyl]oxy-2-[(Z)-tetracos-15-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate
The molecule is a phosphatidylcholine 42:4 in which the acyl groups specified at positions 1 and 2 are (6Z,9Z,12Z)-octadecatrienoyl and (15Z)-tetracosenoyl respectively. It derives from a gamma-linolenic acid and a (15Z)-tetracosenoic acid.