16451
For other small Pt ( n ) on GCE , any ORR signal is overwhelmed by large oxidative currents attributed to catalysis of carbon oxidation by water .
 Chemical: Pt ( n ); Chemical: carbon
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: Pt ( n ); Chemical: carbon