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 other words.
Options:
(a) CCC(CC)CO[Si](OCC(CC)CC)(OCC(CC)CC)OCC(CC)CC
(b) Cc1c(Cl)c(=O)oc2cc(OP(=O)(OCCCCl)OCCCCl)ccc12
(c) CCOP(=O)(OCC)Oc1ccc2c(C)cc(=O)oc2c1
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}