You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[(2S,3S)-5-(2-ethylsulfonylethylcarbamoyl)-8-fluoro-3-hydroxy-8-methyl-1-phenylnonan-2-yl]quinoxaline-2-carboxamide .
user
C30H39FN4O5S
assistant