Using CC(C)(C)OC(=O)c1cc(I)c(OCC23CC4CC(CC(C4)C2)C3)cc1F, O=C1COC1 to produce CC(C)(C)OC(=O)c1cc(C2(O)COC2)c(OCC23CC4CC(CC(C4)C2)C3)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.