You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methylpropyl (2R)-5-bromo-1-[4-[[1-[(4-chlorophenyl)carbamoyl]-4-methoxypyrrolidine-2-carbonyl]amino]-3-fluorophenyl]-2-hydroxy-2H-pyridine-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H31BrClFN4O6
assistant