You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[(4S)-6-(4-chlorocyclohexyl)-8-(cyclohexylmethoxy)-1-methyl-2,3,3a,4,6a,7,8,9,10,10a-decahydro-1H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamide by IUPAC nomenclature, provide its molecular formula.
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C28H48ClN5O2
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