You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(4R,4aS,7aR,12bS)-4a-hydroxy-9-methoxy-3-methyl-1,2,4,5,7a,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl] 2-[3-[[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenylpropanoyl]amino]propanoyloxy]propanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H47N3O10
assistant