Using CC(C)(C)c1cc(C=O)cc(C(C)(C)C)c1O[Si](C)(C)C, CCOC(=O)N1C(=O)CCC1(C)C to produce CCOC(=O)N1C(=O)C(=Cc2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)CC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.