You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N'-[(1R)-1-(4-fluorophenyl)-2-oxo-2-(propan-2-ylamino)ethyl]-N'-(3-methoxyphenyl)-N-pyridin-2-ylbutanediamide is given. What is its corresponding molecular formula?
user
C27H29FN4O4
assistant