Using CC(=O)O, Cc1c(NC(=O)OCCCl)cc([N+](=O)[O-])c(N)c1C to produce Cc1c(NCCO)cc([N+](=O)[O-])c(N)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.