You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2R)-3-[[(2R,3R,4R,5S,6S)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2R,3R,4S,5R,6S)-6-carbamoyl-3,4,5-trihydroxyoxan-2-yl]oxy-4-hydroxy-6-methyloxan-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-[2-[(2-ethoxy-3,4-dioxocyclobuten-1-yl)-methylamino]ethoxy]propanoic acid by IUPAC nomenclature, provide its molecular formula.
user
C48H75N6O35P
assistant