Using OB(O)c1cccc(Br)c1, CCOC(=O)c1c(-c2ccc(F)cc2)oc2cc(N)c(C3CC3)cc12 to produce CCOC(=O)c1c(-c2ccc(F)cc2)oc2cc(Nc3cccc(Br)c3)c(C3CC3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.