You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by disodium;[4-[2-[3-(3-amino-1-hydroxy-3-oxopropyl)-18-(10,12-dimethyltetradecanoylamino)-11,20,21,25-tetrahydroxy-15-(1-hydroxyethyl)-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexazatricyclo[22.3.0.09,13]heptacosan-6-yl]-1,2-dihydroxyethyl]phenyl] phosphate ?
user
C50H79N8Na2O20P
assistant