You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[(4-butylphenyl)methyl-[2-[(4-chloro-3-fluorophenyl)methyl]-2-methyl-3H-1-benzofuran-5-carbonyl]amino]acetic acid ?
user
C30H31ClFNO4
assistant