You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-hydroxy-5-[1-hydroxy-4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H39NO5
assistant