Using CN(c1cc(C=CC2CC2)cc(C(=O)O)c1)S(C)(=O)=O to produce CN(c1cc(CCC2CC2)cc(C(=O)O)c1)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.