You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 6-[4-(2,3-dihydro-1-benzofuran-5-ylmethyl)piperazin-1-yl]-N-ethyl-N-phenylpyridine-3-sulfonamide is given. What is its corresponding molecular formula?
user
C26H30N4O3S
assistant