You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
10-hydroxy-20-(hydroxymethyl)-3,5,9,9,13,20-hexamethyl-22-oxahexacyclo[19.2.1.01,18.04,17.05,14.08,13]tetracosa-15,17-dien-23-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H44O4
assistant