Using N#CC1(c2cccc(S)c2)CCOCC1, Brc1ccc2c(ccc3ncnn32)c1 to produce N#CC1(c2cccc(Sc3ccc4c(ccc5ncnn54)c3)c2)CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.