You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-[(dimethylamino)methyl]triazol-1-yl]-N,N-bis[2-[4-[(dimethylamino)methyl]triazol-1-yl]ethyl]ethanamine into molecular formula.
user
C21H39N13
assistant