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) CC(O)CN(C)C
(b) CCOC(=S)SCSSCP(=O)(OCC)OCC
(c) CN(c1ccc(Cl)cc1Cl)c1c([N+](=O)[O-])cc([N+](=O)[O-])cc1C(F)(F)F
Answer: b
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}