You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2-[6-(4-phenylphenyl)-9-[3-[5-(4-phenylphenyl)pyridin-2-yl]benzene-2-id-1-yl]-1H-carbazol-1-id-2-yl]-1,3-benzothiazole;platinum(2+) ?
user
C54H33N3PtS
assistant