Using [O-][n+]1cc2ncn(CCOc3ccccc3)c2c2ccc(OCc3ccccc3)cc21, O=C=NC(=O)C(Cl)(Cl)Cl to produce Nc1nc2cc(OCc3ccccc3)ccc2c2c1ncn2CCOc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.