Using CC(C)n1ncnc1-c1c[nH]c(-c2ccc(Br)cc2F)n1, O=C1OCCO1 to produce CC(C)n1ncnc1-c1cn2c(n1)-c1ccc(Br)cc1OCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.