You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[ethyl-(4-methylphenyl)sulfonylamino]-N-[4-(4-methoxyphenyl)-1-phenylimidazol-2-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C27H28N4O4S
assistant