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 N-[[6-[4-(methyl-methylidene-oxo-lambda6-sulfanyl)benzoyl]-6-azaspiro[2.5]octan-2-yl]methyl]furo[2,3-c]pyridine-2-carboxamide .
user
C25H27N3O4S
assistant