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, or d without using any other words.
Options:
a: CC(C)OP(=S)(CCl)Sc1ccc(Br)cc1
b: C=CCNC(=O)NS(=O)(=O)c1ccc(Cl)cc1
c: COP(=S)(OC)SCn1nc(Br)ccc1=O
d: CCCCCCCCCCOc1c(OC)cc(C(N)=O)cc1OC
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}