Using CCOC(=O)C(CC)P(=O)(OCC)OCC, COc1ccc(C=O)cc1[N+](=O)[O-] to produce CCOC(=O)C(=Cc1ccc(OC)c([N+](=O)[O-])c1)CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.