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) CCS
(b) OCC1OC(n2cnc3c(=S)[nH]cnc32)C(O)C1O
(c) CCCCc1c(OC(=O)c2cccs2)n(-c2ccccc2)n(-c2ccccc2)c1=O
(d) CC(C)=CC1C(C(=O)O)C1(C)C
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}