Using CC(C)[Si](C(C)C)(C(C)C)n1ccc2cc(C(=O)OCc3ccccc3)cnc21 to produce O=C(OCc1ccccc1)c1cnc2[nH]ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.