You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-[[(2R)-2-[3-[2-(4,4-dimethylpentanoylamino)ethoxymethoxymethoxymethoxy]propanoylamino]-3-(2,2-dimethylpropylsulfanyl)propanoyl]amino]propanoic acid .
user
C26H49N3O9S
assistant