You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [1-[2-oxo-3-(1-pyridazin-4-ylpiperidin-4-yl)-3a,4,5,6,7,7a-hexahydro-1,3-benzoxazol-7-yl]piperidin-4-yl] hydrogen carbonate by IUPAC nomenclature, provide its molecular formula.
user
C22H31N5O5
assistant