You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-[3-(3-fluoroazetidin-1-yl)-5-methoxyphenyl]-2-methoxy-N-[5-[[(3R)-1-pyridazin-3-ylpyrrolidin-3-yl]amino]-1,3,4-thiadiazol-2-yl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H27FN8O3S
assistant