You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-[2-amino-6-(4-methoxyphenyl)sulfanylpurin-9-yl]ethoxymethyl-(propan-2-yloxycarbonyloxymethoxy)phosphoryl]oxymethyl propan-2-yl carbonate into its molecular formula.
user
C25H34N5O11PS
assistant