Using O=Cc1ccc(Cl)c(Cl)c1, CC(C)(C)[Si](C)(C)OCc1ccncc1 to produce OC(c1ccncc1)C(O)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.