Using Cc1ccc(S(=O)(=O)n2cc3c4c(c(C)cnc42)CN([C@@H](C(=O)O)C(C)(C)C)C3=O)cc1 to produce Cc1cnc2[nH]cc3c2c1CN([C@@H](C(=O)O)C(C)(C)C)C3=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.