You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1,1-difluoro-2-[2-fluoro-4-(iodomethyl)phenyl]-1-[5-(2-methylpropoxy)pyridin-2-yl]-3-(tetrazol-1-yl)propan-2-ol into molecular formula.
user
C20H21F3IN5O2
assistant