Using CCOC(=O)C1=C(OS(C)(=O)=O)CNC(C2(NC(=O)OCc3ccccc3)CCC(COS(C)(=O)=O)CC2)=N1, O=C([O-])[O-] to produce CCOC(=O)c1nc2n(c(=O)c1O)CC1CCC2(NC(=O)OCc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.