Using Cn1cc(O)c(=O)c2cccc(Br)c21, COc1ccc(CCl)cc1 to produce COc1ccc(COc2cn(C)c3c(Br)cccc3c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.