Using Cc1ccc(S(=O)(=O)Nc2ccccc2C(=O)c2ccccc2)cc1, CC(C)(C)OC(=O)CBr to produce Cc1ccc(S(=O)(=O)N(CC(=O)OC(C)(C)C)c2ccccc2C(=O)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.