Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a: CNc1nc(NC(C)C)nc(OC)n1
b: O=NN1CN2CN(C1)CN(N=O)C2
c: CC1=NN(c2ccc(C)cc2)C(=O)C1
d: CC(C(=O)O)c1ccc2c(c1)OCc1cc(Cl)ccc1C2=O
e: COP(C)(=S)SCn1c(=O)oc2cccnc21
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}