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-[[5-(3-fluorophenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-3-yl]methylamino]-N-(3-methylphenyl)acetamide .
user
C23H25FN4O
assistant