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 [4-[(1S,2R,6R,7S,8S,10R)-3,5-dioxo-4-azatetracyclo[5.3.2.02,6.08,10]dodec-11-en-4-yl]phenyl] (3S)-1-(4-nitrophenyl)-5-oxopyrrolidine-3-carboxylate is given. What is its corresponding molecular formula?
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C28H23N3O7
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