Using N[C@@H](Cc1ccc(O)c(O)c1)C(=O)O, Cc1ccccc1S(=O)(=O)O to produce CCOC(=O)[C@@H](N)Cc1ccc(O)c(O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.