13309
Single molecule magnets ( SMM ) may be considered for the construction of future integrated nanodevices , provided however that some degree of ordering is imparted to these molecules ( surfaces nanostructuration ) .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None