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, or c without using any additional words.
Options:
a) CSC(C)=NOC(=O)N(C)SN(C(C)C)P1(=S)OCC(C)(C)CO1
b) OC1(c2cccc(Cl)c2)c2ccccc2C2=NCCN21
c) CCC(C)Cn1c(=O)n(C)c(=O)c2[nH]c(C)nc21
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}