You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[cyanomethyl-[2-[(2-fluoro-5-hydroxyphenyl)methyl]-3-(5-fluorospiro[1H-2-benzofuran-3,4'-piperidine]-1'-yl)propyl]amino]-2-oxoethyl]-2-hydroxybutanedioic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H33F2N3O8
assistant