You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-(2,3,5,6,7,11c-hexahydro-1H-indolizino[7,8-b]indol-9-yl)-4-[(5-fluoropyridin-2-yl)methoxy]pyridin-2-one ?
user
C25H23FN4O2
assistant