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Under IUPAC nomenclature, a molecule named 3-[4-(2,6-dipyridin-2-ylpyridin-4-yl)-21-oxapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1,3,5,7,9,11,13,15,17,19-decaen-11-yl]benzonitrile;3-[4-(2,6-dipyridin-3-ylpyridin-4-yl)-21-oxapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1,3,5,7,9,11,13,15,17,19-decaen-11-yl]benzonitrile;4-[4-[4-(2,6-dipyridin-2-ylpyridin-4-yl)-21-oxapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1,3,5,7,9,11,13,15,17,19-decaen-11-yl]phenyl]naphthalene-1-carbonitrile;4-[4-[4-(2,6-dipyridin-3-ylpyridin-4-yl)-21-oxapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1,3,5,7,9,11,13,15,17,19-decaen-11-yl]phenyl]naphthalene-1-carbonitrile;4-[4-[4-(2,6-dipyridin-4-ylpyridin-4-yl)-21-oxapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1,3,5,7,9,11,13,15,17,19-decaen-11-yl]phenyl]naphthalene-1-carbonitrile is given. What is its corresponding molecular formula?
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C240H138N20O5
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