You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[3-[(2E,3Z)-3-ethylidene-9-phenyl-2-propylidenepyrrolo[2,3-b]carbazol-1-yl]-5-[3-ethyl-1-phenyl-2-[(Z)-prop-1-enyl]-4H-cyclopenta[b]pyrrol-6-yl]cyclopenta-1,2,4-trien-1-yl]-N-methylaniline into molecular formula.
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C55H48N4
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