Using CCSCCO, Cc1cc(O)cc(C)c1-c1cccc(COc2ccc(CCC(=O)OC(C)(C)C)cc2)c1 to produce CCSCCOc1cc(C)c(-c2cccc(COc3ccc(CCC(=O)OC(C)(C)C)cc3)c2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.