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, or d without using any additional words.
Options:
[a] C[C@H](CN(C)C)CN1c2ccccc2Sc2ccc(C#N)cc21
[b] N#Cc1ccc(Cn2cncc2C[NH2+][C@@H]2CCN(C(=O)c3cccnc3[S-])C2=O)cc1
[c] O=C(NC1CCN(Cc2ccc3c(c2)OCO3)CC1)c1cc(=O)c2cc(F)c(Cl)cc2o1
[d] CC(C)[NH2+]C[C@@H](O)COc1cccc2ccccc12
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}