Using C[Si](C)(C)CCOCn1c(-c2ccc(OC(F)F)c(OC3CC3)c2)c(Cl)c2c(=O)[nH]ncc21 to produce O=c1[nH]ncc2[nH]c(-c3ccc(OC(F)F)c(OC4CC4)c3)c(Cl)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.