You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance tripotassium;[4-[3-[(1E)-2,6-dimethylhepta-1,5-dienyl]phenyl]-1-phosphonatobutyl]-hydroxyphosphinate .
user
C19H27K3O6P2
assistant