Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a CC(C)(C)C(=O)CCc1ccc(Cl)cc1
b CCOP(=S)(OCC)Oc1ccc(Cl)c([N+](=O)[O-])c1
c CCOP(=O)(OCC)SCn1nc(Cl)ccc1=O
d O=C(CCCl)NCc1ccccc1
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}