Using CC(=O)Oc1cc2nc[nH]c(=O)c2cc1OC(C)=O, ClC(Cl)Cl to produce CC(=O)Oc1cc2ncnc(Cl)c2cc1OC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.