You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1R,2S,4S,6R,7R,8S,9S,10R,11S,13R,14R)-13-ethyl-7-[(2S)-4-(ethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-9-[(2R,5S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-2,4,6,8,10,14-hexamethyl-12,15,16-trioxatricyclo[9.3.1.13,6]hexadecane-11,14-diol by IUPAC nomenclature, provide its molecular formula.
user
C37H67NO12
assistant