Using O=C1NC(=O)c2ccccc21, C=C(CBr)CC(C(F)F)N1C(=O)c2ccccc2C1=O to produce C=C(CC(C(F)F)N1C(=O)c2ccccc2C1=O)CN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.