Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a) CNC(=S)N(C)C
b) O=[N+]([O-])c1cc(Cl)cc2[nH]c(C(F)(F)F)nc12
c) CC(O)C(Cl)(Cl)Cl
d) NC(CO)(CO)CO
e) CCCCCCCCCCCCSC#N
Answer: b
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {acute_toxicity__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}