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 ethyl (5S,6S,7S,10R)-2-oxo-10-(2-oxoethyl)-7-propyl-1-oxaspiro[4.5]deca-3,8-diene-6-carboxylate .
user
C17H22O5
assistant