Using CS(=O)(=O)Nc1ccc(NCC(=O)c2ccccc2)cc1, CCOC(=O)CC#N to produce CS(=O)(=O)Nc1ccc(N2CC(c3ccccc3)=C(C#N)C2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.