Using CC(C)(C)[Si](C)(C)Oc1ccc2c(c1)c(CO)nn2C1CCCCO1 to produce CC(C)(C)[Si](C)(C)Oc1ccc2c(c1)c(C=O)nn2C1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.