Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any other words.
Options:
a: CCOP(=S)(OCC)SCc1nnc(SCC)s1
b: CCS(=O)(=O)c1nnc(N(C)C(=O)NC)s1
c: CP(=S)(OCCCCCl)Oc1ccc([N+](=O)[O-])c(C(F)(F)F)c1
Answer: c
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}