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 C1=CCC(C2OCC3(CC=CCC3)CO2)CC1
b Nc1ccc(N=Nc2ccc(S(=O)(=O)O)cc2)cc1S(=O)(=O)O
c CCCNC(=O)c1sc(-c2cc(OC)c(OC)c(OC)c2)nc1C
d CC(C(=O)O)c1ccc2oc3ccccc3c(=O)c2c1
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}