Using CCOC(=O)Nc1c(OC)cc(C(O)CS(C)(=O)=O)cc1OC, N#CCCNc1ccccc1 to produce CCOC(=O)Nc1c(OC)cc(CC(C#N)=CNc2ccccc2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.