Using O=C(OCc1ccccc1)C1C(=O)N(Cc2ccc(Cl)c(Cl)c2)C(=O)c2cccn21, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)CC1(C(=O)OCc2ccccc2)C(=O)N(Cc2ccc(Cl)c(Cl)c2)C(=O)c2cccn21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.