Using O=C(c1csc(Br)c1)N1CCCC2CCCCC21, CCOC(=O)CC#N to produce CCOC(=O)C(C#N)c1cc(C(=O)N2CCC[C@@H]3CCCC[C@@H]32)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.