9092
Here we show that highly ordered cobalt - phthalocyanine chains can be self - assembled on a metal surface using fractional atomic steps as a template .
 Chemical: cobalt; Chemical: phthalocyanine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: cobalt; Chemical: phthalocyanine