You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2,3-dihydroxypropyl 2-(2-oxo-6-tricyclo[9.4.0.03,8]pentadeca-1(15),3(8),4,6,9,11,13-heptaenyl)butanoate ?
user
C22H22O5
assistant