Using Fc1ccccc1CBr, O=C(c1ccccc1)C1CNc2ccccc2C1=O to produce O=C(c1ccccc1)c1cn(Cc2ccccc2F)c2ccccc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.