Using CCOC(=O)c1cccc(N)c1, CCC[C@H](NS(=O)(=O)c1ccc(Br)cc1)C(O)=S to produce CCC[C@H](NS(=O)(=O)c1ccc(Br)cc1)C(=S)Nc1cccc(C(=O)OCC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.