Using CCBr, O=C(C1CCCNC1)N1CCN(c2cccc(C(F)(F)F)c2)CC1 to produce CCN1CCCC(C(=O)N2CCN(c3cccc(C(F)(F)F)c3)CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.