You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1S,2R,5R,7R,8R,9R,11R,13R,14R)-8-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-9-methoxy-15-[3-(6-methoxyquinolin-4-yl)propylamino]-1,5,7,9,11,13-hexamethyl-3,17-dioxa-15-azabicyclo[12.3.0]heptadecane-4,6,12,16-tetrone by IUPAC nomenclature, provide its molecular formula.
user
C44H66N4O11
assistant