You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-(3-fluorophenyl)-N-methyl-N-[[(7S)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-7-yl]methyl]acetamide .
user
C17H20FN3O
assistant