You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 4-[2-[(10S)-4-(2-hydroxyphenyl)-1,5,6,8,12-pentazatricyclo[8.4.0.02,7]tetradeca-2,4,6-trien-12-yl]ethyl-methylamino]piperidine-1-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H41N7O3
assistant