Using CS(=O)(=O)c1ccc(CBr)cc1, Nc1ncc(-c2ncc3c(n2)N2CCOCC2CN3)cn1 to produce CS(=O)(=O)c1ccc(CN2CC3COCCN3c3nc(-c4cnc(N)nc4)ncc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.