Using O=C(CN1CCN(c2ccc(CO)c(Cl)c2)CC1)c1cccc([N+](=O)[O-])c1 to produce Nc1cccc(C(=O)CN2CCN(c3ccc(CO)c(Cl)c3)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.