Using COc1nc(Br)cnc1N(COCC[Si](C)(C)C)S(=O)(=O)c1cccc(Cl)c1Cl, CC[O-] to produce CCOc1cnc(NS(=O)(=O)c2cccc(Cl)c2Cl)c(OC)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.