Using C1COCCN1, CCC(=O)c1ccc(O[Si](C(C)C)(C(C)C)C(C)C)cc1 to produce C/C=C(\c1ccc(O[Si](C(C)C)(C(C)C)C(C)C)cc1)N1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.