Updated ARC Zeus submit script

[alongd]

corrected arc_code to arc_path, added n170

[Copilot]

Pull request overview

Updates the Zeus ARC PBS submit script to target the intended queue/host and to use the correct ARC installation path variable from the Zeus environment setup.

Changes:

• Switch PBS queue to alon_q.
• Constrain the job to run on host n170.
• Update ARC invocation from $arc_code to $arc_path.

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[Copilot]

submit.sh calls python $arc_path/ARC.py ..., but in Servers/Zeus/.bashrc this repo exports arc_path as '~/Code/ARC/' (tilde inside quotes). Bash does not perform tilde expansion on values coming from variables, so this can resolve to a non-existent path at runtime. Prefer exporting arc_path as an absolute path (e.g., using $HOME), or set/normalize arc_path in this script before invoking Python so the job doesn't fail due to an unexpanded ~.

Suggested change

	python $arc_path/ARC.py input.yml
	arc_path="${arc_path/#\~/$HOME}"
	python "$arc_path/ARC.py" input.yml

[calvinp0]

@alongd in #43 I made a change in the submit.py for molpro regarding the tmp folder to gtmp. could you include that in your PR instead here?