Using CC(C)(C)OC(=O)Nc1ccc(Oc2nc3ccccc3n2COCC[Si](C)(C)C)cc1 to produce C[Si](C)(C)CCOCn1c(Oc2ccc(N)cc2)nc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.