Using COC(=O)c1ccc2ccc(NC(=O)OC(C)(C)C)cc2c1, O=C1CCC(=O)N1Br to produce COC(=O)c1ccc2ccc(NC(=O)OC(C)(C)C)c(Br)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.