Task: Please answer the multiple choice question.
Question: Which molecule has the longest half life time in humans after IV administration?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
(a) CN(C)CCCN1c2ccccc2Sc2ccccc21
(b) CCN(CC)CCNC(=O)c1ccc(N)cc1
(c) N=C(N)NC(=O)Cc1c(Cl)cccc1Cl
(d) CC(C)(C)NCC(O)c1ccc(O)c(CO)c1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecule has the longest {half_life_duration__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%half_life_duration%}
Answer: {%multiple_choice_result}