You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by (3R,6R)-N-methyl-6-[(2-methylpropan-2-yl)oxy]-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-amine ?
user
C11H21NO3
assistant