You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the SMILES representation of the molecule 7-[3-[butyl-[2-hydroxy-3-(2-phenylmethoxyphenoxy)propyl]amino]propyl]-1,3-dimethylpurine-2,6-dione .
user
CCCCN(CCCN1C=NC2=C1C(=O)N(C)C(=O)N2C)CC(O)COC1=CC=CC=C1OCC1=CC=CC=C1
assistant