You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-[(2R,3S,5R)-3-[2-[2-(dimethylamino)ethoxy]ethoxy]-5-ethyl-4-hydroxyoxolan-2-yl]-5-methyl-2-sulfanylidenepyrimidin-4-one .
user
C17H29N3O5S
assistant