You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6R,7R,10S)-N-[2-(methylamino)-2-oxoethyl]-6-[(E)-3-methylbut-1-enyl]-7-(2-methylpropyl)-8-oxo-2-oxa-9-azabicyclo[10.2.2]hexadeca-1(14),12,15-triene-10-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H41N3O4
assistant