Using CCS(=O)(=O)Nc1ccc(Oc2c(-c3ccccc3)c(C)cc3cc(OC)ccc23)cc1 to produce CCS(=O)(=O)Nc1ccc(Oc2c(-c3ccccc3)c(C)cc3cc(O)ccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.