You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1S,2S,3R,11R,12S,13S)-3,11-bis(hydroxymethyl)-4,6,8,10,15,16-hexaoxa-7-boranuidatrispiro[4.1.1.49.27.25]heptadecane-1,2,12,13-tetrol into its molecular formula.
user
C12H20BO12-
assistant