Using Cc1cc2c(=O)n(Cc3nc4ccccc4[nH]3)ccc2o1, ClCCCBr to produce Cc1cc2c(=O)n(Cc3nc4ccccc4n3CCCCl)ccc2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.