Using Nc1nc(O)c2ncn(COC(CO)CO)c2n1, CC(C)[C@H](NC(=O)OCc1ccccc1)C(=O)O to produce CC(C)[C@H](N)C(=O)OCC(CO)OCn1cnc2c(=O)nc(N)[nH]c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.