Using C[Si](C)(C)CCOCCl, CC1(C)OB(c2cc[nH]n2)OC1(C)C to produce CC1(C)OB(c2ccn(COCC[Si](C)(C)C)n2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.