Using CCOC(=O)C(C#N)=Cc1ccc(OCCc2nc(-c3ccccc3Cl)oc2C)cc1 to produce CCOC(=O)C(C#N)Cc1ccc(OCCc2nc(-c3ccccc3Cl)oc2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.