You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (4R,16S,22S,23R,24S)-3,4,24-triacetyloxy-22-(1-acetyloxyethyl)-4-ethyl-11,23-dihydroxy-15-methyl-19-oxospiro[7,20-dioxahexacyclo[13.9.0.02,12.05,11.06,8.016,22]tetracosane-9,2'-oxirane]-6-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C38H52O16
assistant