You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tris(2,2,6,6-tetramethyl-1-phenoxycarbonylpiperidin-4-yl) butane-1,1,1-tricarboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C55H73N3O12
assistant