Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a Nc1nc(N)nc(CCCc2nc(N)nc(N)n2)n1
b Cc1cc2c(s1)=Nc1ccccc1NC=2N1CCNCC1
c CCCC[NH+](Cc1cncn1Cc1ccc(C#N)cc1)[C@H]1CCN(Cc2ccccc2)C1=O
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
6-[3-(4,6-diamino-1,3,5-triazin-2-yl)propyl]-1,3,5-triazine-2,4-diamine