Using BrCCOc1ccccc1, CC(C)(C)OC(=O)Cn1c(S)nc2ccccc21 to produce CC(C)(C)OC(=O)Cn1c(SCCOc2ccccc2)nc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.