Using BrCc1ccc(Br)cc1, O=C(Cc1ccc(F)cc1)NC1CCNCC1 to produce O=C(Cc1ccc(F)cc1)NC1CCN(Cc2ccc(Br)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.