Using CC(=O)Cl, NC1CCN(S(=O)(=O)Cc2ccccc2Br)CC1 to produce CC(=O)NC1CCN(S(=O)(=O)Cc2ccccc2Br)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.