You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 2-[(1R,6S,7R)-7-(6-amino-3-fluoropyridin-2-yl)-7,10,10-trimethyl-1-oxospiro[1lambda6-thia-2,8-diazabicyclo[4.4.0]deca-1,8-diene-4,1'-cyclopropane]-9-yl]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H33FN4O3S
assistant