You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(2R)-1'-acetyl-2-cyclopropyl-1-(4-fluorophenyl)sulfonylspiro[2H-indole-3,4'-piperidine]-5-yl]-2-chloro-5-fluorobenzamide into its molecular formula.
user
C30H28ClF2N3O4S
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