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 additional words.
Options:
(a) COP(=S)(OC)SC(C)CSCC1CC2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl
(b) O=C(Nc1c(Cl)c(Cl)c(Cl)c2[nH]c(C(F)(F)F)nc12)c1ccccc1
(c) CCN1CC2CN(C)CC(C1)C2OC(=O)c1ccc(Cl)cc1
(d) Cc1cc(C)c(Cc2cc(C)c(C)cc2C)cc1C
Answer: d
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}