Using Brc1cccs1, CCCCCCCCOc1cc(Br)c(OCCCCCCCC)cc1Br to produce CCCCCCCCOc1cc(-c2cccs2)c(OCCCCCCCC)cc1-c1cccs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.