Using C[Si](C)(C)[N-][Si](C)(C)C, CC(C)(C)OC(=O)N[C@H]1CNc2ccccc2NC1=O to produce CN1C(=O)C(NC(=O)OC(C)(C)C)CNc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.