Using O=C1OCC(c2ccc(Cl)cc2)=NN1Cc1ccc([N+](=O)[O-])cc1 to produce Nc1ccc(CN2N=C(c3ccc(Cl)cc3)COC2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.