Using CC(O)CNc1ncc(C(=O)OC(C)(C)C)c(Nc2ccc(Br)cc2Cl)c1Cl to produce CC(=O)CNc1ncc(C(=O)OC(C)(C)C)c(Nc2ccc(Br)cc2Cl)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.