Using C[C@H]1c2cccc(Br)c2C[C@H](CO[Si](C)(C)C(C)(C)C)N1C(=O)Cc1c(Cl)cccc1Cl, C=CB(OCCCC)OCCCC to produce C=Cc1cccc2c1C[C@H](CO[Si](C)(C)C(C)(C)C)N(C(=O)Cc1c(Cl)cccc1Cl)[C@H]2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.