You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-[[2-hydroxy-3-(2-phenylmethoxyphenoxy)propyl]-methylamino]propyl]-3,7-dimethylpurine-2,6-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H33N5O5
assistant