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 C[C@H](CN1c2ccccc2Sc2ccc(C#N)cc21)C[NH+](C)C
b C/C=C1\N(C)[C@H](C)CC1(c1ccccc1)c1ccccc1
c N#Cc1ccc(Cn2cncc2C[NH2+][C@@H]2CCN(C(=O)c3cccnc3N)C2=O)cc1
d COc1cc2oc(C(=O)NC3CCN(Cc4ccc5c(c4)OCO5)CC3)cc(=O)c2cc1F
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}