Using Cc1ccc(S(=O)(=O)OCCN(C[C@@H](C)O)S(=O)(=O)c2ccc(C)cc2)cc1 to produce Cc1ccc(S(=O)(=O)N2CCO[C@H](C)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.