Using Cc1cnc(N2CCNCC2)c(C)c1, O=C(Cl)c1ccc(Br)cc1F to produce Cc1cnc(N2CCN(C(=O)c3ccc(Br)cc3F)CC2)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.