You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-[4-[2-[4-[butylsulfonyl(methyl)amino]phenoxy]propanoylamino]-2-chloro-5-hydroxyphenyl]-3,4-dichlorobenzamide is given. What is its corresponding molecular formula?
user
C27H28Cl3N3O6S
assistant