Using CCOC(=O)CBr, O=C1NCCC1(c1ccc(F)cc1)c1ccc(F)cc1 to produce CCOC(=O)CN1CCC(c2ccc(F)cc2)(c2ccc(F)cc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.