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 additional words.
Options:
a COc1ccc(NS(=O)(=O)c2ccc(N)cc2)nn1
b CCCCc1c(OC(=O)C23CC4CC(CC(C4)C2)C3)n(-c2ccccc2)n(-c2ccccc2)c1=O
c CC(C)(C)NC(=O)C1CCC2C3CCC4NC(=O)C=CC4(C)C3CCC12C
d OC1(c2cccc(Cl)c2)c2ccccc2C2=NCCN21
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}