Using Oc1cnc(C2CC2)c(Cl)c1, CC(C)(C)OC(=O)c1cc(Cl)c(CBr)cc1F to produce CC(C)(C)OC(=O)c1cc(Cl)c(COc2cnc(C3CC3)c(Cl)c2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.