You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 2-(1,3,4,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-2-yl)-N-(2-fluoro-5-methylphenyl)acetamide ?
user
C17H24FN3O
assistant