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 3-[(7R)-7-(oxan-4-yl)-5,6,7,8-tetrahydronaphthalen-1-yl]-6-(trifluoromethyl)-7H-pyrrolo[2,3-d]pyrimidin-3-ium-4-amine .
user
C22H24F3N4O+
assistant