Using CCCCON, CON=C(C(=O)OC)c1ccccc1COc1cccc(C(C)=O)c1 to produce CCCCON=C(C)c1cccc(OCc2ccccc2C(=NOC)C(=O)OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.