Using CC(=NO)c1ccccc1, COC(=O)C1(C)OCC(CCCCCl)CO1 to produce COC(=O)C1(C)OCC(CCCCON=C(C)c2ccccc2)CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.