Using O=c1c2ccccc2c2nc3ccccn3c2n1-c1ccc(Br)nc1, C#C[Si](C)(C)C to produce C[Si](C)(C)C#Cc1ccc(-n2c(=O)c3ccccc3c3nc4ccccn4c32)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.