Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'N-(2-hydroxyoctacosanoyl)-1-O-beta-D-glucosyl-4-hydroxy-15-methylhexadecasphinganine'?

A. An N-acyl-1-O-beta-D-glucosyl-4-hydroxy-15-methylhexadecasphinganine in which the acyl group has 23 carbons and 0 double bonds.
B. An N-acyl-1-O-beta-D-glucosyl-4-hydroxy-15-methylhexadecasphinganine in which the acyl group has 26 carbons and 4 double bonds and is 2-hydroxylated.
C. An N-acyl-1-O-beta-D-glucosyl-4-hydroxy-15-methylhexadecasphinganine in which the acyl group has 28 carbons and 0 double bonds and is 2-hydroxylated.
D. An N-acyl-1-O-beta-D-glucosyl-4-hydroxy-15-methylhexadecasphinganine in which the acyl group has 18 carbons and 0 double bonds.

Answer: An N-acyl-1-O-beta-D-glucosyl-4-hydroxy-15-methylhexadecasphinganine in which the acyl group has 28 carbons and 0 double bonds and is 2-hydroxylated.