Using Oc1ccc2c(c1)OCO2, CCS(=O)(=O)c1ccc(S(=O)(=O)CC)nc1 to produce CCS(=O)(=O)c1ccc(Oc2ccc3c(c2)OCO3)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.