12153
A homogeneous ruthenium complex catalyses the transformation of primary alcohols to carboxylic acid salts at low catalyst loadings ( 0 . 2 mol % ) in basic aqueous solution .
 Chemical: ruthenium; Chemical: alcohols; Chemical: carboxylic acid
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: ruthenium; Chemical: alcohols; Chemical: carboxylic acid