Using O=c1[nH]c(-c2cc(Br)ccc2F)nc2nccnc12, Nc1ccncc1 to produce Fc1ccc(Br)cc1-c1nc(Nc2ccncc2)c2nccnc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.