You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 8,23-dichloro-13,18-diazaheptacyclo[15.11.0.02,14.03,12.06,11.019,28.020,25]octacosa-1(17),2(14),3(12),4,6(11),7,9,15,19(28),20(25),21,23,26-tridecaene into molecular formula.
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C26H14Cl2N2
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