Using COc1nn(-c2cccc(N)c2)c(=O)n(Cc2ccc(Cl)cc2)c1=O, Brc1nccs1 to produce COc1nn(-c2cccc(Nc3nccs3)c2)c(=O)n(Cc2ccc(Cl)cc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.