Using CCS(=O)(=O)N(Cc1cccnc1)c1cccc(Oc2ccc(CC(=O)OC)cc2)c1 to produce CCS(=O)(=O)N(Cc1cccnc1)c1cccc(Oc2ccc(CC(=O)O)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.