Using On1nnc2ccccc21, C=C=CCOc1ccc(S(=O)(=O)N[C@H](C(=O)O)C(C)C)cc1 to produce C=C=CCOc1ccc(S(=O)(=O)NC(C(=O)NO)C(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.