Using CI, CC(C)(C)[Si](C)(C)OCc1ccc(CO)n2nc(C(F)(F)F)cc12 to produce COCc1ccc(CO[Si](C)(C)C(C)(C)C)c2cc(C(F)(F)F)nn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.