You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[(2S,3R,4S,6R)-2-[[(2R,3R,4R,5R,9E,11R,12S,13S,14R)-4-(3-carboxypropanoyloxy)-2-ethyl-3,13-dihydroxy-3,5,6,8,10,12,14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadec-9-en-11-yl]oxy]-4-(dimethylamino)-6-methyloxan-3-yl]oxy-4-oxobutanoic acid into molecular formula.
user
C38H64N2O14
assistant