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 CN(C)C(=O)Nc1ccc(Cl)cc1
b O=C(O)CCCNS(=O)(=O)c1cccc(C(F)(F)F)c1
c CCOP(=O)(OCC)SCc1ccccc1
d CNC(=O)Oc1cccc2c1OC(C)(C)C2=O
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}