You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2,4-diphenyl-6-spiro[10,14-dithiapentacyclo[11.8.0.03,11.04,9.015,20]henicosa-1(13),2,4(9),5,7,11,15,17,19-nonaene-21,9'-fluorene]-8-yl-1,3,5-triazine;2,4-diphenyl-6-spiro[10-oxa-14-thiapentacyclo[11.8.0.03,11.04,9.015,20]henicosa-1(13),2,4(9),5,7,11,15,17,19-nonaene-21,9'-fluorene]-8-yl-1,3,5-triazine;2,4-diphenyl-6-spiro[14-oxa-10-thiapentacyclo[11.8.0.03,11.04,9.015,20]henicosa-1(13),2,4(9),5,7,11,15,17,19-nonaene-21,9'-fluorene]-8-yl-1,3,5-triazine .
user
C138H81N9O2S4
assistant