Using BrCCCBr, Sc1[nH]nc(-c2cccc(Br)c2)c1-c1ccncc1 to produce Brc1cccc(-c2nn3c(c2-c2ccncc2)SCCC3)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.