You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 1-[2-[di(propan-2-yl)amino]ethyl]-2-methyl-3-[2-[(1-methylpyrazolo[3,4-d]pyrimidin-4-yl)amino]ethyl]guanidine ?
user
C18H33N9
assistant