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 2-cyano-N-[3-[6-[[1-(2-hydroxyethyl)pyrazol-4-yl]amino]pyrimidin-4-yl]phenyl]acetamide ?
user
C18H17N7O2
assistant