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 2-[2-[3,3-dimethyl-1-(oxiran-2-yl)-2-(oxiran-2-ylmethyl)butan-2-yl]oxy-3,3-dimethyl-2-(oxiran-2-ylmethyl)butyl]oxirane .
user
C22H38O5
assistant