You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[1-[2-[(7S,9R)-12-chloro-9-(2,3-dimethoxyphenyl)-8-oxa-2,14-diazatricyclo[8.4.0.02,6]tetradeca-1(10),3,5,11,13-pentaen-7-yl]acetyl]piperidin-4-yl]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H30ClN3O6
assistant