You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[(1S,21R,24R)-24-fluoro-18-hydroxy-3-oxo-3-sulfanyl-18-sulfanylidene-2,4,17,19,22-pentaoxa-7,10,12,14-tetraza-3lambda5,18lambda5-diphosphatetracyclo[19.2.1.06,14.08,13]tetracosa-6,8,10,12-tetraen-23-yl]-2-methyl-4,5-dihydro-1H-purin-6-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H23FN8O8P2S2
assistant