Using Cc1cc(COc2ccc(S(=O)(=O)C=CC=C3CCN(C(=O)O)CC3)cc2)c2ccccc2n1 to produce Cc1cc(COc2ccc(S(=O)(=O)C=CC=C3CCNCC3)cc2)c2ccccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.