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 6-(4-methoxy-1,3-benzoxazol-2-yl)-2-methyl-5-(methylsulfanylmethyl)-3-phenyl-1H-pyrazolo[1,5-a]pyrimidin-7-one ?
user
C23H20N4O3S
assistant