You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(2-phenanthren-2-ylquinazolin-4-yl)-3-azaoctacyclo[14.14.1.02,14.04,13.05,10.017,22.023,31.025,30]hentriaconta-1,4(13),5,7,9,11,14,16(31),17,19,21,25,27,29-tetradecaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C52H31N3
assistant