Using COC(=O)C(OP(=O)(O)[C@@H](NS(=O)(=O)Cc1ccccc1)C(C)C)c1cccc(NC(=NC(=O)OC(C)(C)C)NC(=O)OC(C)(C)C)c1 to produce CC(C)[C@H](NS(=O)(=O)Cc1ccccc1)P(=O)(O)OC(C(=O)O)c1cccc(NC(=NC(=O)OC(C)(C)C)NC(=O)OC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.