You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[3-[4-[(2E,4Z)-hepta-2,4-dien-6-yn-3-yl]oxyphenyl]pyrazolo[4,3-c]pyridin-1-yl]piperidin-1-yl]prop-2-en-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H26N4O2
assistant