Using [NH4+], CCOC(=O)CCc1c(Cl)nc(/C=C/c2ccccc2)nc1Cl to produce O=C1CCc2c(Cl)nc(/C=C/c3ccccc3)nc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.