You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methoxy-3-[4-[2-[methyl-[6-phenyl-13-(2-phenylethyl)-2-tricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaenyl]amino]ethoxy]phenyl]propanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C42H43NO4
assistant