How to use Nauty and Traces to determine is two graph isomorpfic?

Question

i have two graph in format p edge, some like this

p edge 180 864
e 1 3
e 1 9
e 1 119
e 1 126
e 1 127
e 1 177
e 2 9

how to run dreadnaut\nauty to determine if two graph is isomorphic?

i am asked chatGPT that provided this answer

dreadnaut < graph1.txt > graph1.can
dreadnaut < graph2.txt > graph2.can

nauty graph1.can graph2.can

but it diddnot works.

i have two graph in format p edge, some like this

p edge 180 864
e 1 3
e 1 9
e 1 119
e 1 126
e 1 127
e 1 177
e 2 9

how to run dreadnaut\nauty to determine if two graph is isomorphic?

i am asked chatGPT that provided this answer

dreadnaut < graph1.txt > graph1.can
dreadnaut < graph2.txt > graph2.can

nauty graph1.can graph2.can

but it diddnot works.