You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 1-(1-cyclopentylpiperidin-4-yl)-2-methyl-3-spiro[2-oxabicyclo[3.2.0]heptane-7,1'-cyclopentane]-6-ylguanidine ?
user
C22H38N4O
assistant