Using N#CCCBr, Sc1ccc(C(=C(c2ccc(S)cc2)c2ccc(S)cc2)c2ccc(S)cc2)cc1 to produce N#CCCSc1ccc(C(=C(c2ccc(SCCC#N)cc2)c2ccc(SCCC#N)cc2)c2ccc(SCCC#N)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.