Using CC(C)N(C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]1CN(C(=O)Cc1ccccc1)C1CC1)C(=O)OCC[Si](C)(C)C to produce CC(C)NC[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]1CN(C(=O)Cc1ccccc1)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.