Using COC(=O)c1cc(F)cc2c1NC(c1cccc(Br)c1)C(C)(C)C2O to produce COC(=O)c1cc(F)cc2c1NC(c1cccc(Br)c1)C(C)(C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.