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 7-(cyclopentylmethoxy)-5-fluoro-2-[(4-hydroxycyclohexyl)sulfanylmethyl]-3H-quinazolin-4-one;methane .
user
C22H31FN2O3S
assistant