Using Nc1nccc(-c2ccc(F)c(C(O)c3ccccc3)c2)n1 to produce Nc1nccc(-c2ccc(F)c(C(=O)c3ccccc3)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.