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Nevertheless , the catalytic properties in the selective hydrogenation of dimethylethynylcarbinol ( DMEC ) to dimethylvinylcarbinol were the best for the catalyst based on LLA , demonstrating that the NP aggregates in all cases are penetrable for DMEC .
 Chemical: dimethylethynylcarbinol; Chemical: DMEC; Chemical: dimethylvinylcarbinol; Chemical: LLA; Chemical: DMEC
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: dimethylethynylcarbinol; Chemical: DMEC; Chemical: dimethylvinylcarbinol; Chemical: LLA; Chemical: DMEC