You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-amino-N-[(4-cyclopropyl-1,2,4-triazol-3-yl)methyl]bicyclo[3.3.1]nonane-3-carboxamide;dihydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H27Cl2N5O
assistant