Using O=C1NC(=O)c2ccccc21, CC(C)(C)[Si](C)(C)OCc1cccc(CO)c1 to produce CC(C)(C)[Si](C)(C)OCc1cccc(Cc2cccc3c2C(=O)NC3=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.