You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named benzene;1-[(E)-but-2-enyl]-4-(3-methoxyphenyl)-4H-pyrrolo[2,3-d]azepine-2-carboxylic acid is given. What is its corresponding molecular formula?
user
C26H26N2O3
assistant