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) O=C1C(Cc2ccccc2)NC(=S)N1Cc1ccccc1
(b) O=C(Nc1cc2cc([N+](=O)[O-])ccc2oc1=O)c1cccs1
(c) CCOc1ccc(NC(=O)CCC(=O)n2nc(C)cc2C)cc1
(d) Cc1ccc(CSCC(=O)N/N=C/c2ccc(OCC(=O)Nc3ccc(C)cc3)cc2)cc1
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}