Using CCOC(=O)C(=Cc1ccccc1)C(=O)[O-], N=C(N)c1ccccc1 to produce CCOC(=O)C1C(=O)NC(c2ccccc2)=NC1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.