You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-methyl-2-[(2-methyl-4,5,6,7-tetrahydro-1-benzothiophen-4-yl)amino]pyrimidin-5-yl]propan-2-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H23N3OS
assistant