Using CCCI, CCOC(=O)C1(Cc2ccccc2[N+](=O)[O-])CCCNC1=O to produce CCCN1CCCC(Cc2ccccc2[N+](=O)[O-])(C(=O)OCC)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.