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system
Can you give the molecular formula of the molecule 3-[(E)-2-[7'-[(E)-2-(9-cyclohexa-1,5-dien-1-ylcarbazol-3-yl)ethenyl]spiro[cyclopentane-1,9'-fluorene]-2'-yl]ethenyl]-9-phenylcarbazole ?
user
C57H44N2
assistant