Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) C#CC[NH+](C)[C@H](C)Cc1ccccc1
(b) O=C1NCCN1CCN1CCC([C@@H]2CN(c3ccc(F)cc3)c3ccccc32)CC1
(c) N#Cc1ccc(Cn2cncc2C[NH2+][C@@H]2CCN(C(=O)c3cccnc3[S-])C2=O)cc1
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}