You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[(2R)-2-[(4-chloro-3-fluorophenyl)methyl]-7-methoxy-2-methyl-3H-1-benzofuran-5-carbonyl]-[(3-propan-2-yloxyphenyl)methyl]amino]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H31ClFNO6
assistant