Using CCCC(=O)C(Cc1ccc(-c2ccccc2C#N)cc1)C(=O)OCC, NC(N)=S to produce CCCc1nc(S)nc(O)c1Cc1ccc(-c2ccccc2C#N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.