He partially succeeded in this, and SzS was officially formed in September 2018, gathering both center left parties like DS and center right parties like NS.[11] Since Đilas welcomed Dveri (a right wing political party) into the alliance, some liberal and left leaning organizations (notably Saša Janković's PSG) refused to take part in the alliance, though they stated they are willing to cooperate on various subjects, especially on the matter of election organization.[12][13]