Using O=C1CCC(=O)N1Br, COc1ccc(C)nc1-c1cccc(C(F)(F)F)c1 to produce COc1ccc(CBr)nc1-c1cccc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.