You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-cyclopent-2-en-1-yl-N-[(2S,3R)-3-hydroxy-4-[[(2R)-2-hydroxypropyl]-(3-methylphenyl)sulfonylamino]-1-phenylbutan-2-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H36N2O5S
assistant