Using CCOC(=O)C=Cc1ccc(N)cc1, C[Si](C)(C)CCCCCCCCCCCCCCBr to produce CCOC(=O)C=Cc1ccc(NCCCCCCCCCCCCCC[Si](C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.