Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a: CCCc1ccc2c(c1)OCO2
b: N#Cc1ccc2c(c1)N(CCCN1CCC(O)CC1)c1ccccc1S2
c: O=C1CC(N2C(=O)c3ccccc3C2=O)C(=O)N1
d: FC(F)(F)c1nc2c(Cl)c(Br)c(Cl)cc2[nH]1
e: CNCCCC1c2ccccc2C=Cc2ccccc21
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}