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) Nc1ccc(N(c2ccccc2)c2ccc(N)cc2)cc1
b) O=C=NC1CCC(CC2CCC(N=C=O)CC2)CC1
c) O=[N+]([O-])N=C1NCCN1Cc1ccc(Cl)nc1
d) C1CCSC1
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}