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(CCBr)N1CCN(C(=O)CCBr)CC1
b) CC(C(=O)O)c1ccc(N2CC=CC2)c(Cl)c1
c) CCC1(CC)C(=O)C=CN(CN2CCOCC2)C1=O
d) COc1cnc(C)s1
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}