You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[[(3Z)-3-[(2Z)-2-ethylidene-3-bicyclo[3.1.0]hexanylidene]prop-1-en-2-yl]oxymethyl]-5-fluoro-3,3-dimethyl-1-[2-(trifluoromethyl)phenyl]-2H-indole;formic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H31F4NO3
assistant