Using CC(C)(C)OC(=O)N(Cc1cc(Cl)ccc1Br)C(=O)OC(C)(C)C, Cc1cc(Cl)ccc1Br to produce Clc1ccc(Br)c(CBr)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.