You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(2R,4S,5R)-6-(dimethoxyphosphoryloxymethyl)-3,4,5-trihydroxyoxan-2-yl]oxyacetic acid is the IUPAC name of a molecule. Please give its SMILES representation.
user
COP(=O)(OC)OCC1OC(OCC(=O)O)C(O)C(O)C1O
assistant