You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-(2,5-dimethoxyphenyl)-5-(2-ethyl-1,3,4,9-tetrahydropyrido[3,4-b]indol-1-yl)-6-hydroxypyrimidine-2,4-dione .
user
C25H26N4O5
assistant