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 [(5R,6S,7S)-5-(4-acetamido-2-oxopyrimidin-1-yl)-6-methyl-7-(4-phenylbenzoyl)oxy-4-thiaspiro[2.4]heptan-2-yl] 4-phenylbenzoate .
user
C39H33N3O6S
assistant