You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4-ethoxy-5-piperazin-1-ylpyridin-2-yl)-5-methyl-1-propan-2-ylimidazo[4,5-h]quinazolin-8-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H30N8O
assistant