Using Clc1nccc2nc(-c3ccc(C4OCCO4)cc3)c(-c3ccccc3)cc12 to produce O=Cc1ccc(-c2nc3ccnc(Cl)c3cc2-c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.