You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-3-[[(2R,3R,4R,5S,6S)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5S,6R)-3-acetamido-4-hydroxy-6-(hydroxymethyl)-5-[(2R,3R,4S,5R,6S)-3,4,5-trihydroxy-6-[(2-hydroxy-5-oxocyclopenten-1-yl)carbamoyl]oxan-2-yl]oxyoxan-2-yl]oxy-4-hydroxy-6-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxy-6-carbamoyl-4-carbamoyloxy-5-hydroxy-5-methyloxan-2-yl]oxy-hydroxyphosphoryl]oxy-2-[(2Z,6E,13E)-3,8,8,14,18-pentamethyl-11-methylidenenonadeca-2,6,13,17-tetraenoxy]propanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C69H108N5O35P
assistant