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-[[(2'R,3R,3'S,5'S)-6-chloro-3'-(3-chloro-2-fluorophenyl)-5'-(2,2-dimethylpropyl)-2'-methyl-2-oxospiro[1H-pyrrolo[3,2-c]pyridine-3,4'-pyrrolidine]-2'-carbonyl]amino]-3-methoxybenzoic acid is given. What is its corresponding molecular formula?
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C31H31Cl2FN4O5
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