You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[(2R,3R)-8-(4-fluorophenyl)-5-[(2S)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylpyridine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H29FN4O4
assistant