Using CCC[C@H](NC(=O)C(CS(=O)(=O)Cc1ccccc1)CS(=O)(=O)Cc1ccccc1)C(O)c1nc2ccccc2o1 to produce CCC[C@H](NC(=O)C(CS(=O)(=O)Cc1ccccc1)CS(=O)(=O)Cc1ccccc1)C(=O)c1nc2ccccc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.