Using CN(C)C=O, CC(C)(C)OC(=O)N1CCC(Oc2cc(F)cc(Br)c2)CC1 to produce CC(C)(C)OC(=O)N1CCC(Oc2cc(F)cc(C=O)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.