You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]triazole-4,5-dicarbothioamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C9H13N5O4S2
assistant