Task: Please answer the multiple choice question.
Question: Which molecules are not 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 other words.
Options:
a: COc1ccc(CC(NC(C)=O)C(=O)NC2CCN(S(=O)(=O)c3ccc(NC(C)=O)cc3)CC2)c(OC)c1
b: O=c1[nH]c(SCc2ccccc2[N+](=O)[O-])nc2nc[nH]c12
c: CCCCN1CC[C@H]2C=CC[C@@H](C(=O)Nc3ccc(OC)cc3)[C@H]2C1=O
d: O=C(CCCc1ccccc1)NCc1ccccc1
Answer: a, b, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}