Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
(a) CCc1ccc(C)cc1O
(b) CNC(=O)ON=C(SC)c1ccc(Cl)cc1
(c) ClC(Cl)(Cl)c1ccc(C(Cl)(Cl)Cl)cc1
(d) CCN(CC)CCNc1c(Cl)cc(C)c2ncccc12
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}