You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(4-methylpiperidin-1-yl)-4,7-dioxo-N-(4-prop-1-en-2-ylphenyl)-3,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H27N5O3
assistant