Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any other words.
Options:
a.) Clc1cc(Cl)c(Cl)cc1Cl
b.) CCCN=C(NCCC)C(OCC)c1ccccc1
c.) C=CCOc1ccccc1OC(=O)NC
d.) CC(C)OP(=S)(OC(C)C)SCCNS(=O)(=O)c1ccccc1
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}