You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-N-[(7,7-dimethyl-2-bicyclo[2.2.1]heptanylidene)amino]-3-N,6-N,6-N-trimethylpyridazine-3,6-diamine .
user
C16H25N5
assistant