Task: Please answer the multiple choice question.
Question: Which molecule has the longest drug half life time in humans after IV administration?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a Cc1ncsc1CCCl
b Nc1nc(=O)c2c([nH]1)NCC(CNc1ccc(C(=O)N[C@@H](CCC(=O)O)C(=O)O)cc1)N2C=O
c CCOC(=O)c1cncn1[C@H](C)c1ccccc1
d CNC(=C[N+](=O)[O-])NCCSCc1csc(CN(C)C)n1
e CCN1CC(CCN2CCOCC2)C(c2ccccc2)(c2ccccc2)C1=O
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}
5-(2-chloroethyl)-4-methyl-1,3-thiazole