14717
Extensive analysis through high - resolution microscopy revealed that there was considerable lattice contraction of FeSe in the nanocable up to about 3 . 6 % along the c - direction leading to a reduced spacing between the ( 001 ) lattice planes .
 Chemical: FeSe
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: FeSe