You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1S,2S,5R,6S,12R,14S)-5-(diethylaminomethyl)-9,14-dimethyl-3,13-dioxatetracyclo[8.4.0.02,6.012,14]tetradec-9-en-4-one by IUPAC nomenclature, provide its molecular formula.
user
C19H29NO3
assistant