You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(5R,6S)-6-[(3,5-dibromophenyl)methoxy]-6,7,8,9-tetrahydro-5H-benzo[7]annulen-5-yl]piperazine-1-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H26Br2N2O3
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