Using O=C(CC(=O)c1ccccn1)CC(=O)c1cc(Cl)ccn1, [NH4+] to produce O=c1cc(-c2ccccn2)[nH]c(-c2cc(Cl)ccn2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.