Using COC(=O)c1c(F)c(F)c(-c2ccc(C(C)(C)O[SiH2]C(C)(C)C)cc2)c(F)c1F to produce CC(C)(C)[SiH2]OC(C)(C)c1ccc(-c2c(F)c(F)c(C(=O)O)c(F)c2F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.