You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[4-[2-[4-[6-[6-[(2R)-2-(3-fluorophenyl)pyrrolidin-1-yl]imidazo[1,2-b]pyridazin-3-yl]pyridin-2-yl]piperazin-1-yl]ethoxymethyl]-3-methyl-2-oxobenzimidazol-1-yl]piperidine-2,6-dione by IUPAC nomenclature, provide its molecular formula.
user
C41H43FN10O4
assistant