Using CC(C)(C)OC(=O)N[C@@H](CO)C(=O)NN=C(c1ccccc1)c1ccccc1 to produce CC(C)(C)OC(=O)N[C@H]1CN(N=C(c2ccccc2)c2ccccc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.