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 (1S,3R,4Z,11R,12R)-17-(4-chlorophenyl)-3-ethyl-14-(3-hydroxypropyl)-2,9-dioxa-14,17-diazatetracyclo[10.8.0.01,15.03,11]icosa-4,19-diene-10,13,16-trione is given. What is its corresponding molecular formula?
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C27H31ClN2O6
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