You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name tert-butyl 3-[(E)-3-oxo-3-[3-(pyridin-2-ylmethylcarbamoyl)anilino]prop-1-enyl]indole-1-carboxylate into its molecular formula.
user
C29H28N4O4
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