Using CN(C(=O)OC(C)(C)C)C(=NOCCNC(=O)OCc1ccccc1)NC(=O)OC(C)(C)C to produce CN(C(=O)OC(C)(C)C)C(=NOCCN)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.