You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(12S)-14-oxa-10-azatetracyclo[7.5.1.02,7.012,15]pentadeca-2,4,6,8-tetraen-10-yl]-(5,6,7-trimethoxy-1H-indol-2-yl)methanone into molecular formula.
user
C25H24N2O5
assistant