Using Cn1c(C2CC2)nc2ccc(-n3ccc(Br)cc3=O)cc21, OCc1nc(C(F)F)cs1 to produce Cn1c(C2CC2)nc2ccc(-n3ccc(OCc4nc(C(F)F)cs4)cc3=O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.