You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[(2R,7aS)-1-hydroxy-7a-methyl-4,5,6,7-tetrahydro-2H-benzimidazol-2-yl]phenol .
user
C14H18N2O2
assistant