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: O=C=Nc1ccccc1
b: c1ccc(Oc2ccccc2)cc1
c: CCOC(C1=NCC(C)(CC)CN1)c1cccc(F)c1
d: COc1c(C)ccc(C)c1N(COC(C)C)C(=O)CCl
Answer: d
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}