Using CCn1nc2ccc(-n3ccc(Br)cc3=O)cc2c1C, OCc1nc(C(F)(F)F)cs1 to produce CCn1nc2ccc(-n3ccc(OCc4nc(C(F)(F)F)cs4)cc3=O)cc2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.