Using COc1ccc2c(c1)NC(=O)C(CCO[Si](C)(C)C(C)(C)C)O2, Clc1cccc(CBr)c1 to produce COc1ccc2c(c1)N(Cc1cccc(Cl)c1)C(=O)C(CCO)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.