You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please identify the SMILES representation of the molecule named propan-2-yl (2S)-2-[[[(2R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-(1-ethoxycarbonyloxyethoxy)phosphoryl]amino]propanoate .
user