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, or d without using any other words.
Options:
a OC1(c2ccccc2)c2cc(F)ccc2C2=NCCN21
b C(CC1CO1)OCCC1CO1
c Clc1ccc(Cc2ccc(Cl)cc2)cc1
d C=C1CCC2CC1C2(C)C
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}