Using CC1(C)C2CCC1(CS(=O)(=O)O)C(=O)C2, COc1ccc2c(c1)CCN1C(=O)[C@H]3CCCN[C@H]3C[C@@H]21 to produce COc1ccc2c(c1)CCN1C(=O)[C@H]3CCCN(S(C)(=O)=O)[C@H]3C[C@@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.