You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (Z)-but-2-ene;6-tert-butyl-2-ethyl-1H-indene;(3E,5E)-8,8-dimethylnona-1,3,5-triene into molecular formula.
user
C30H46
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