Using CCOC(=O)c1cc(F)c(CBr)cc1F, COc1ncc(O)cc1Cl to produce CCOC(=O)c1cc(F)c(COc2cnc(OC)c(Cl)c2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.