Using C=CCO, C=CCCS(=O)(=O)Nc1cc(CCC)cc(C(=O)OC)c1 to produce C=CCCS(=O)(=O)N(CC=C)c1cc(CCC)cc(C(=O)OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.