Using CCOC(=O)c1nc2n(c(=O)c1OS(C)(=O)=O)CCOC21CCCC1 to produce CCOC(=O)c1nc2n(c(=O)c1O)CCOC21CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.