Using CC(C)(C)[Si](C)(C)OCC=O, CC(C)(C)[Si](OCCCCC(=O)c1cccnc1)(c1ccccc1)c1ccccc1 to produce CC(C)(C)[Si](C)(C)OCC(O)C(CCCO[Si](c1ccccc1)(c1ccccc1)C(C)(C)C)C(=O)c1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.