Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a.) COc1ccc2c(c1)c(CC(=O)Oc1cccc(C)c1)c(C)n2C(=O)c1ccc(Cl)cc1
b.) O=C(O)Cc1ccc2c(c1)OCc1ccccc1C2=O
c.) CCCCc1c(OC(=O)C23CC4CC(CC(C4)C2)C3)n(-c2ccccc2)n(-c2ccccc2)c1=O
d.) CC(=O)Oc1c(Br)cc(Cl)cc1C(=S)Nc1ccc(Br)cc1
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}