Using ClCc1csc(Nc2ncc(Br)cc2Oc2ccccc2)n1, Nc1ccccc1 to produce Brc1cnc(Nc2nc(CNc3ccccc3)cs2)c(Oc2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.