Using O=C1NC(=O)c2ccccc21, FC(CBr)CCBr to produce O=C1c2ccccc2C(=O)N1CCC(F)CN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.