You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (5S,6R,7R,8S)-7-[3-chloro-4-[(2-fluorophenyl)methoxy]-5-methoxyphenyl]-6-nitrospiro[1,2,3,6,7,8-hexahydropyrrolizine-5,3'-1H-indole]-2'-one into its molecular formula.
user
C28H25ClFN3O5
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