25001
A direct result of such charge - transfer - induced repulsive interaction between cationic gold and positively charged C moiety of methoxy is activation of the positively charged C moiety of methoxy , as manifested by the pronounced elongation of O - C bond length and the tilting of the methoxy axis , which facilitate reaction of methoxy through C - H scission with the bridge oxygen atoms that are readily available from the reducible support .
 Chemical: C; Chemical: methoxy; Chemical: C; Chemical: methoxy; Chemical: O - C; Chemical: methoxy; Chemical: methoxy; Chemical: C - H; Chemical: oxygen
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: C; Chemical: methoxy; Chemical: C; Chemical: methoxy; Chemical: O - C; Chemical: methoxy; Chemical: methoxy; Chemical: C - H; Chemical: oxygen