Using O=[N+]([O-])c1ccc(N2CCNCC2)c(F)c1, CCN(CC)C(=O)C(Br)c1ccccc1 to produce CCN(CC)C(=O)C(c1ccccc1)N1CCN(c2ccc([N+](=O)[O-])cc2F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.