You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-[(13E)-10-butan-2-yl-16-methoxy-8,11-dioxo-2-oxa-6,9,12-triazatricyclo[13.3.1.03,7]nonadeca-1(19),13,15,17-tetraen-6-yl]-1-oxo-3-phenylpropan-2-yl]-2-(dimethylamino)-3-phenylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C40H49N5O6
assistant