Using C=CCOCCOCCOCCOCCOC(=O)CCC(=O)O, O=C1CCC(=O)N1O to produce C=CCOCCOCCOCCOCCOC(=O)CCC(=O)ON1C(=O)CCC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.