You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-[(1S,17R,19R,20R)-20-fluoro-14-hydroxy-3-oxo-8-pyridin-4-yl-3-sulfanyl-14-sulfanylidene-2,4,13,15,18-pentaoxa-7,9,10-triaza-3lambda5,14lambda5-diphosphatricyclo[15.2.1.06,10]icosa-6,8-dien-19-yl]-7-methylidene-6H-imidazo[4,5-b]pyridin-5-amine .
user
C22H25FN8O7P2S2
assistant