Using Fc1cnc(Cl)nc1-c1c(-c2cccc(Br)c2)nn2ccccc12, Nc1cccc(F)c1 to produce Fc1cccc(Nc2ncc(F)c(-c3c(-c4cccc(Br)c4)nn4ccccc34)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.