Using CC(C)[Si](Oc1ccc2cccc(C(=O)O)c2c1)(C(C)C)C(C)C, CC(C)(C)OC(=O)NCCN to produce CC(C)[Si](Oc1ccc2cccc(C(=O)NCCNC(=O)OC(C)(C)C)c2c1)(C(C)C)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.