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, or d without using any other words.
Options:
(a) O=c1n(CC2CO2)c(=O)n(CC2CO2)n1CC1CO1
(b) OC1(c2ccc(C(F)(F)F)cc2)c2ccccc2C2=NCCN21
(c) CCNc1nc(NCC)nc(OC)n1
(d) COP(=S)(OC)SC1CCSc2ccc(Cl)cc21
Answer: d
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}