Using N#CC1(c2cccc(S)c2)CCOCC1, Clc1cc(Cl)c2ccc(I)cc2n1 to produce N#CC1(c2cccc(Sc3ccc4c(Cl)cc(Cl)nc4c3)c2)CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.