Using COC/C=C/c1cc(CNC2CC2)cc(O[Si](C)(C)C(C)(C)C)c1 to produce COCCCc1cc(CNC2CC2)cc(O[Si](C)(C)C(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.