Using O=[N+]([O-])c1cccc(CBr)c1F, CCOC(=O)CC(C)=O to produce CCOC(=O)C(Cc1cccc([N+](=O)[O-])c1F)C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.