Using COC1=C(c2c(C)cc(C#CCl)cc2C)C(=O)C(Cc2ccccn2)C1 to produce Cc1cc(C#CCl)cc(C)c1C1C(=O)CC(Cc2ccccn2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.