Using Brc1ccc2c(c1)C(c1ccccc1)=NCCN2, OB(O)c1ccncc1F to produce Fc1cnccc1-c1ccc2c(c1)C(c1ccccc1)=NCCN2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.