You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl 19-chloro-3-ethyl-15-[3-(6-fluoronaphthalen-1-yl)oxypropyl]-4-methyl-8-(2-nitrosophenyl)sulfonyl-4,5,8,13-tetrazatetracyclo[11.6.1.02,6.016,20]icosa-1(19),2,5,14,16(20),17-hexaene-14-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C41H41ClFN5O6S
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