Using Fc1ccc(CBr)cc1, O=C(OCc1ccccc1)N1CCc2c([nH]c3ccccc23)C1 to produce O=C(OCc1ccccc1)N1CCc2c(n(Cc3ccc(F)cc3)c3ccccc23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.