Using COc1cc(Br)ccc1-c1nnc(C)o1, C#C[Sn](CCCC)(CCCC)CCCC to produce C#Cc1ccc(-c2nnc(C)o2)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.