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, c, or d without using any additional words.
Options:
a: N#Cc1ccc(Cn2cncc2C[NH2+][C@@H]2CCN(C(=O)c3cccnc3N)C2=O)cc1
b: C[NH2+]CC[C@@H](Oc1ccc(C(F)(F)F)cc1)c1ccccc1
c: CCCCCCC[NH+](CC)CCC[C@@H](O)c1ccc(NS(C)(=O)=O)cc1
d: Cc1ccc(C(=O)c2cc(O)c([O-])c([N+](=O)[O-])c2)cc1
Answer: a, d
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}