Using ClCc1ccncc1, COc1cc2c(-c3ccnc(Br)c3)n[nH]c(=O)c2cc1OC to produce COc1cc2c(-c3ccnc(Br)c3)nn(Cc3ccncc3)c(=O)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.