Using CC[Si](CC)(CC)c1cc(Br)ncc1F, CCOC(=O)C(F)F to produce CC[Si](CC)(CC)c1cc(Br)nc(C(=O)C(F)F)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.