Using O=C1CCC(=O)N1Br, CCOP(=O)(OCC)Oc1ccc(C)cc1C(F)F to produce CCOP(=O)(OCC)Oc1ccc(CBr)cc1C(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.