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, or d without using any other words.
Options:
a: COc1cc(NCc2ccc3nc(N)nc(N)c3c2C)cc(OC)c1OC
b: COC(=O)C1=C(C)NC(C)=C(C(=O)OCCCN2CCC(c3ccccc3)(c3ccccc3)CC2)[C@@H]1c1cccc([N+](=O)[O-])c1
c: CCOC(=O)C1(c2ccccc2)CCC=CC1N(C)C
d: CO/N=C(\C(=O)N[C@@H]1C(=O)N2C(C(=O)O)=C(COC(N)=O)CS[C@H]12)c1ccco1
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-methyl-6-[(3,4,5-trimethoxyanilino)methyl]quinazoline-2,4-diamine