Using Fc1cccc(-c2ccc(OCCCCCCCCCCCBr)cc2)c1F, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(CCCCCCCCCCCOc1ccc(-c2cccc(F)c2F)cc1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.