Using CCCCC(=O)N(Cc1ccc(-c2ccccc2S(N)(=O)=O)cc1)C(C#N)C(=O)OCC, CCCN=C=O to produce CCCCC(=O)N(Cc1ccc(-c2ccccc2S(=O)(=O)NC(=O)NCCC)cc1)C(C#N)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.