You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2,5,9,12,18,21,25,28-octazatricyclo[27.3.1.113,17]tetratriaconta-1(33),13(34),14,16,29,31-hexaene .
user
C26H44N8
assistant