Using Cc1cc(F)c(Br)cc1CC(=O)O, COC(=O)C1(N)CCN(OC)CC1 to produce COC(=O)C1(NC(=O)Cc2cc(Br)c(F)cc2C)CCN(OC)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.