Shopify - In product page get the collection it's in

gistfile1.txt

{% for link in linklists[settings.sidebar_linklist_1].links %}{% for p in collections[link.object.handle].products %}{% if p.title == product.title %}{% assign: collectionName = link.object.handle %}{% endif %}{% endfor %}{% endfor %}
  
    {% for link in linklists[settings.sidebar_linklist_1].links %}
    	<li><a href="{{ link.url }}"{% if link.url == active_url %} class="current"{% endif %}{% if template == 'article' and link.url == blog.url %} class="current"{% endif %}{% if collection.url == link.url %} class="current"{% endif %}
    	{% if link.handle == collectionName %} class="current"{% endif %}
    	>{{ link.title }}</a></li>
    {% endfor %}