You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (1R,4R,5R,7R,8R,16S,19S,22R)-8-[(2S,4R,5R,6R)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-5,19-dimethyl-15,18,20-trioxahexacyclo[14.5.1.01,14.04,13.05,10.019,22]docosa-9,11,13-trien-7-ol into molecular formula.
user
C28H38O8
assistant