Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a: COP(C)(=S)Sc1ccccc1
b: CCOC(=S)C=Cc1ccc(OC)c(OC)c1
c: CCOC(C1=NCC(CC)(CC)CN1)c1ccc(Cl)cc1
d: CC(C)c1noc2nc(C(C)(C)C)ncc12
Answer: a
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}