digraph {
node [shape=box, style=rounded];
rankdir=TB;
subgraph clusterMain {
"SANS_refine" [label=<SANS_refine>  tooltip="SANS_refine" href="https://acdl.mit.edu/csi/job/SANS_refine/"];
"SANS_refine_poll" [label=<SANS_refine_poll>  tooltip="SANS_refine_poll" href="https://acdl.mit.edu/csi/job/SANS_refine_poll/"];
color=invis;}
subgraph clusterStandalone {
color=invis;}
"SANS_refine_poll" -> "SANS_refine" [ color=black  ] ;
}