You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-dibenzofuran-2-yl-N-(2-methylphenyl)spiro[benzo[c]xanthene-7,9'-fluorene]-4'-amine;N-dibenzofuran-3-yl-N-(2-methylphenyl)spiro[benzo[c]xanthene-7,9'-fluorene]-4'-amine;N-dibenzofuran-1-yl-N-phenylspiro[benzo[c]xanthene-7,9'-fluorene]-4'-amine;N-dibenzofuran-2-yl-N-phenylspiro[benzo[c]xanthene-7,9'-fluorene]-4'-amine;N-dibenzofuran-3-yl-N-phenylspiro[benzo[c]xanthene-7,9'-fluorene]-4'-amine into molecular formula.
user
C237H149N5O10
assistant