Using CC1(c2cc(Br)ccc2F)NC(=O)NC1=O, CC(N)(C(=O)O)c1cc(Br)ccc1F to produce COC(=O)C(C)(N)c1cc(Br)ccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.