Using CC(C)(O)c1cncc(-c2nc3cc(F)c(F)cc3n2C2CC2)c1, CI to produce COC(C)(C)c1cncc(-c2nc3cc(F)c(F)cc3n2C2CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.