Using CN(C)C=O, CC(C)[Si](OC1CNC(=O)NC1)(C(C)C)C(C)C to produce CC(C)[Si](OC1CN(C)C(=O)N(C)C1)(C(C)C)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.