Using COC(=O)c1ccc(C)c(-c2cnc3oc(-c4ccc(F)cc4)cc3c2)c1, O=C1CCC(=O)N1Br to produce COC(=O)c1ccc(C)c(-c2cnc3oc(-c4ccc(F)cc4)c(Br)c3c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.