Using BrCc1ccccc1, CN1C(=O)C(C)(C)CNc2nc(Cl)ncc21 to produce CN1C(=O)C(C)(C)CN(Cc2ccccc2)c2nc(Cl)ncc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.