Using COc1ccc(C23Cn4c(C#C[Si](C)(C)C)ccc4C(=O)N2CCN3)cc1 to produce C#Cc1ccc2n1CC1(c3ccc(OC)cc3)NCCN1C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.