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] CCSP(=O)(OC)SCC
[b] CCCCC1C(=O)N(c2ccccc2)N(c2ccc(O)cc2)C1=O
[c] S=c1[nH]c2cc(Cl)ccc2o1
[d] CC1=CC(C)(C)Nc2ccccc21
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}