Using CCCCC(CC)Cc1cc(-c2ccsc2)c(-c2ccsc2)cc1CC(CC)CCCC to produce CCCCC(CC)Cc1cc2c(cc1CC(CC)CCCC)c1ccsc1c1sccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.