You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (2S)-1-[(3S,3aR,7E)-3-(4-methoxyphenyl)-7-[(4-methoxyphenyl)methylidene]-3a,4,5,6-tetrahydro-3H-indazol-2-yl]-2-chloropropan-1-one using the IUPAC nomenclature.
user
C25H27ClN2O3
assistant