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,N-diphenylspiro[fluorene-9,12'-pentacyclo[11.8.0.02,11.04,9.014,19]henicosa-1(13),2(11),3,5,7,9,14,16,18,20-decaene]-7'-amine;N,9-diphenyl-N-spiro[fluorene-9,12'-pentacyclo[11.8.0.02,11.03,8.014,19]henicosa-1(13),2(11),3,5,7,9,14,16,18,20-decaene]-9'-ylcarbazol-3-amine;N-(4-ethylphenyl)-N-phenylspiro[fluorene-9,12'-pentacyclo[11.8.0.02,11.04,9.014,19]henicosa-1(13),2(11),3,5,7,9,14,16,18,20-decaene]-7'-amine;N-(2-methylphenyl)-N-phenylspiro[fluorene-9,12'-pentacyclo[11.8.0.02,11.04,9.014,19]henicosa-1(13),2(11),3,5,7,9,14,16,18,20-decaene]-7'-amine;N-(3-methylphenyl)-N-phenylspiro[fluorene-9,12'-pentacyclo[11.8.0.02,11.04,9.014,19]henicosa-1(13),2(11),3,5,7,9,14,16,18,20-decaene]-7'-amine;N-(4-methylphenyl)-N-phenylspiro[fluorene-9,12'-pentacyclo[11.8.0.02,11.04,9.014,19]henicosa-1(13),2(11),3,5,7,9,14,16,18,20-decaene]-7'-amine into molecular formula.
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C287H191N7
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