You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (2R,3S,4R,5R,6S)-2-(hydroxymethyl)-6-[4-methyl-3-(selenophen-2-ylmethyl)phenyl]oxane-3,4,5-triol using the IUPAC nomenclature.
user
C18H22O5Se
assistant