Using COC(=O)c1cccnc1-c1cccc(N=C(NC(=O)OC(C)(C)C)NC(=O)OC(C)(C)C)c1 to produce CC(C)(C)OC(=O)NC(=Nc1cccc(-c2ncccc2C(=O)O)c1)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.