(S)-N,N'-(2,2'-(2,2'-(2,2'-(1,4-phenylenebis(azanediyl))bis(oxomethylene)bis(azanediyl)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl))bis(3-((S)-6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)benzenesulfonamide)dihydrochloride