You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethane;methyl 19-cyclohexyl-5-methoxy-10-(morpholine-4-carbonylamino)-12-azapentacyclo[10.7.0.02,7.08,10.013,18]nonadeca-1(19),2(7),3,5,13(18),14,16-heptaene-15-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C34H43N3O5
assistant