You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[2-[[(2S)-2-[[(4E,7E,10E,13E,16E,19Z)-docosa-4,7,10,13,16,19-hexaenoyl]amino]propanoyl]amino]ethyl]pyridine-3-carboxamide is given. What is its corresponding molecular formula?
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C33H46N4O3
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