Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CCCS(=O)CCC[NH+](CC)C[C@@H](O)COc1ccc(C#N)cc1
[b] CCN(CC)CCNC(=O)c1ccc(N)cc1
[c] NCC[C@H](Oc1ccc(C(F)(F)F)cc1)c1ccccc1
[d] O=C(NC1CCN(Cc2ccc3c(c2)OCO3)CC1)c1cc(=O)c2ccccc2o1
[e] Cc1ccc(C(=O)c2cc(O)c([O-])c([N+](=O)[O-])c2)cc1
Answer: a, 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}