You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5R,6S,7S)-2-N-benzyl-3-(3-hydroxypropyl)-7,8-dimethyl-4-oxo-2-N,6-N-bis(prop-2-enyl)-6-N-propyl-10-oxa-3-azatricyclo[5.2.1.01,5]decane-2,6-dicarboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H43N3O5
assistant