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 (2S,3R,4S,5R)-2-[(2,5,7,8-tetramethyl-3,4-dihydrochromen-2-yl)methyl]oxane-3,4,5-triol .
user
C19H28O5
assistant