You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 7-[(E)-3-[2-[(2S,3S,4R,6R)-6-[[(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadec-13-yl]oxy]-4-methoxy-2,4-dimethyloxan-3-yl]oxyethoxy]prop-2-enyl]-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5,7,9(13),11-tetraene-11-carboxylic acid ?
user
C55H87N3O17
assistant