In cases where Attribute 1 would not be a static attribute, it would be the 1st attribute that the product has.
Each attribute contains 2 columns:
1st – Attribute Name, which would be the same for each product.
2nd – Attribute Value for this attribute.
Attribute order within the Category:
It would best option to make a new request to display all attributes in alphabetical order, thus not depending on this attribute value.
Product Match Standardization Map
PM Advanced Options Setup:
PM Standard Setup: