Using Cc1cc(C)c2c(n1)Nc1ccccc1N(C)C2=O, ClCCCBr to produce Cc1cc(C)c2c(n1)N(CCCCl)c1ccccc1N(C)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.