Using C=C(CBr)C(=O)OC, CN(C)C(C)(Cc1ccccc1)C(=O)c1ccc(SCCCS)cc1 to produce C=C(CSCCCSc1ccc(C(=O)C(C)(Cc2ccccc2)N(C)C)cc1)C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.