Using ClCCBr, O=c1[nH]c(Cl)c(-c2ccccc2)c(=O)n1CCCCCl to produce O=c1c(-c2ccccc2)c(Cl)n(CCCl)c(=O)n1CCCCCl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.