You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(1R,2S,4R)-4-[[5-[5-chloro-4-[(5-chloro-2-fluorophenyl)-hydroxymethyl]thiophene-2-carbonyl]pyrimidin-4-yl]amino]-2-hydroxycyclopentyl]ethanesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H23Cl2FN4O5S2
assistant