Using CCOC(=O)C1(NS(=O)(=O)c2cc(Cl)cc(Cl)c2O)Cc2ccccc2C1, CC(C)Br to produce CCOC(=O)C1(NS(=O)(=O)c2cc(Cl)cc(Cl)c2OC(C)C)Cc2ccccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.