You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[(5,6-dimethyl-2-thiophen-2-ylpyrazolo[1,5-a]pyrimidin-7-yl)amino]propan-1-ol by IUPAC nomenclature, provide its molecular formula.
user
C15H18N4OS
assistant