You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[1-[5-(3-bicyclo[3.1.0]hexanyl)-1H-1,2,4-triazol-3-yl]piperidin-4-yl]-N-methylmethanamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H25N5
assistant