You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,3,5,6,7,8-hexahydroquinoline;[4-[(1,2,3,4-tetrahydroisoquinolin-3-ylmethylamino)methyl]cyclohexyl]methanamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H42N4
assistant