You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 7-chloro-6-[(E)-5-(cyclopentanecarbonylamino)pent-1-enyl]-1,2,4,5-tetrahydro-3-benzazepine-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H37ClN2O3
assistant