Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
a. O=C(CCCN1CCN(c2ccccc2)CC1)c1ccc(F)cc1
b. O=C1NC(=O)C(c2ccccc2)(c2ccccc2)N1S(=O)(=O)c1ccccc1
c. C=CCCCC=CCO
d. CCOP(=S)(OCC)SCn1c(=O)sc2ccccc21
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}