Using CCS(=O)(=O)/C=C/c1ccc2[nH]cc(C3CCN(C)CC3)c2c1 to produce CCS(=O)(=O)CCc1ccc2[nH]cc(C3CCN(C)CC3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.