You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[9-[(1S,3R,4R,7S)-7-[[di(propan-2-yl)amino]-(2-isocyanoethoxy)phosphanyl]oxy-1-ethyl-5-(propan-2-ylcarbamoyl)-2-oxa-5-azabicyclo[2.2.1]heptan-3-yl]-2-(2-methylpropanoylamino)purin-6-yl] N,N-diphenylcarbamate;[9-[(1S,3R,4R,7S)-1-ethyl-7-hydroxy-5-(methylcarbamoyl)-2-oxa-5-azabicyclo[2.2.1]heptan-3-yl]-2-(2-methylpropanoylamino)purin-6-yl] N,N-diphenylcarbamate;[9-[(1S,3R,4R,7S)-1-ethyl-7-hydroxy-2-oxa-5-azabicyclo[2.2.1]heptan-3-yl]-2-(2-methylpropanoylamino)purin-6-yl] N,N-diphenylcarbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C102H120N25O18P
assistant