Using C#Cc1ccc2c(c1)C(C)(C)CCC2(C)C, CCOC(=O)c1ccc(Cl)nc1 to produce CCOC(=O)c1ccc(C#Cc2ccc3c(c2)C(C)(C)CCC3(C)C)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.