You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 9-phenyl-18-(4-phenylphenyl)-21-thia-9,18,24,26-tetrazaheptacyclo[18.7.0.02,10.03,8.011,19.012,17.022,27]heptacosa-1,3,5,7,10,12,14,16,19,22,24,26-dodecaene is given. What is its corresponding molecular formula?
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C40H24N4S
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