You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-11-[(2S,4S,6R)-4-[2-[1-[(1R,2S)-3-fluoro-1-[4-(3-fluoropropylsulfinyl)phenyl]-1-methoxypropan-2-yl]triazol-4-yl]ethyl-methylamino]-6-methyloxan-2-yl]oxy-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C54H91F2N5O13S
assistant