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 [(1R)-1-(3-ethoxyphenyl)-1,3,4,9-tetrahydropyrido[3,4-b]indol-2-yl]-(4-fluorophenyl)methanone ?
user
C26H23FN2O2
assistant