You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 6-amino-3-[(2R,5R)-4-hydroxy-5-(hydroxymethyl)-5-methyloxolan-2-yl]-5-methyl-2,6-dihydro-1H-pyrimidin-2-ol into its molecular formula.
user
C11H21N3O4
assistant