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. CSc1nc(N=[N+]=[N-])nc(NC(C)C)n1
b. CN1C(=O)CN2CCc3ccccc3C2c2cc(Cl)ccc21
c. CCCCCc1cc(O)c2c(c1)OC(C)(C)C1CC=C(C)CC21
d. Cc1ccc(N(CC2=NCCN2)c2cccc(O)c2)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}