Using COc1ccc(CBr)cc1, O=c1cc(Cl)c(-c2ccccc2)n[nH]1 to produce COc1ccc(Cn2nc(-c3ccccc3)c(Cl)cc2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.