You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (4aS)-9-[2-[2-cyclohexa-1,5-dien-1-yl-6-(4-cyclohexa-1,3-dien-1-ylcyclohexa-1,3-dien-1-yl)pyrimidin-4-yl]-6-phenyl-8,9-dihydrodibenzothiophen-4-yl]-2-phenyl-3,4,4a,10b-tetrahydro-1,10-phenanthroline by IUPAC nomenclature, provide its molecular formula.
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C58H48N4S
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