You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3'-[1-(2,3-dihydroxypropoxy)-6-[5-hydroxy-3-(2-methoxyethyl)-3,6-dimethyl-10-(2-phenylethyl)-4-azabicyclo[9.3.1]pentadeca-1(15),6,11,13-tetraen-9-yl]hepta-2,4,6-trien-2-yl]-2',7-dihydroxy-4-(2-hydroxyethyl)-7-[2-(methylamino)ethyl]spiro[bicyclo[3.3.1]non-2-ene-6,1'-cyclopentane]-9-ylidene]propanal is the IUPAC name of a molecule. Please give its molecular formula.
user
C58H82N2O9
assistant