Using O=Cc1cc(Br)c(F)cc1[N+](=O)[O-], CCOC(=O)C(C)=O to produce CCOC(=O)c1ccc2cc(Br)c(F)cc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.