18703
We found that the compact , ordered structure and abundant H - bonds of the MWF could be taken as the fundamental aspects of the " hindering role " of interfacial water for the hydrophobic assembly of nanographene .
 Chemical: H; Chemical: nanographene
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: H; Chemical: nanographene