Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CNCC[C@@H](Oc1ccccc1C)c1ccccc1
(b) CC(CN1c2ccccc2Sc2ccc(C#N)cc21)C[NH+](C)C
(c) CC[NH+](CC)CCNC(=O)c1ccc(N)cc1
(d) CCC(=O)O[C@](Cc1ccccc1)(c1ccccc1)[C@H](C)C[NH2+]C
Answer: a, b, c, 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}