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 additional words.
Options:
a: O=C(COc1ccc(Cc2ccc(Cl)cc2)cc1)OCc1cccnc1
b: COc1ccc2c(c1)c(CC(=O)NO)c(C)n2C(=O)c1ccc(Cl)cc1
c: O=c1nc2[nH]c(=O)[nH]cc-2[nH]1
d: OC(c1ccc(F)cc1)(c1cncnc1)c1ccccc1Cl
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}