You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1R,2R,3S,4S,5R,6S,7S)-7-chloro-6-[[(2S)-5-(cyclopropylmethyl)azepane-2-carbonyl]amino]-1,3,4-trihydroxy-5-methyl-1-methylsulfanyloctan-2-yl] acetate by IUPAC nomenclature, provide its molecular formula.
user
C23H41ClN2O6S
assistant