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 other words.
Options:
a. CCCSP(C)(=S)SC(CC(=O)OCC)C(=O)OCC
b. c1ccc2c(c1)OCO2
c. C=CCNc1nc(NCC=C)nc(N(CCCCCCN(c2nc(NCC=C)nc(NCC=C)n2)C2CC(C)(C)NC(C)(C)C2)C2CC(C)(C)NC(C)(C)C2)n1
d. Cc1cccc(C)c1N(Cn1cccn1)C(=O)CCl
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}