Using CC(C)(C)OC(=O)CCCCCCC(=O)O, CN(C)C(ON1C(=O)CCC1=O)=[N+](C)C to produce CC(C)(C)OC(=O)CCCCCCC(=O)ON1C(=O)CCC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.