Using CCOC(=O)ON(CC(CP(=O)(OCC)OCC)OC1CCCCO1)C(=O)OCC to produce CCOC(=O)ON(CC(O)CP(=O)(OCC)OCC)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.