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 1-[(4-ethyl-2,3,5,6-tetramethylphenyl)methyl]-4-[[1',1',3,3,5,6'-hexamethyl-6-[(1-methyltriazol-4-yl)methoxy]-1,3'-spirobi[2H-indene]-5'-yl]oxymethyl]triazole ?
user
C43H54N6O2
assistant