You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-bromo-1-benzothiophene-2-carboxylic acid;6-bromo-1H-indole-2-carboxylic acid;oxolan-3-amine;pyridin-3-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H26Br2N4O5S
assistant