Using CC(C)(C)OC(=O)N[C@H](CO)C(=O)O, Fc1ccc(CBr)c(F)c1 to produce CC(C)(C)OC(=O)NC(COCc1ccc(F)cc1F)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.