You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (1R,5S,6R,7R,10R,11R,20R,21R)-20-acetyloxy-21-[2-[[(2R)-2-amino-3-hydroxypropyl]amino]ethoxy]-5,7,10,15-tetramethyl-7-[(2R)-3-methylbutan-2-yl]-17-oxapentacyclo[13.3.3.01,14.02,11.05,10]henicos-2-ene-6-carboxylic acid .
user
C37H62N2O7
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