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 additional words.
Options:
a) CCN(CC)CCNC(=O)c1ccc(NC(=O)c2cccc(S(=O)(=O)[N-]c3ccc(C)cc3)c2)cc1.[K+]
b) Cc1[nH]c2c(C)cccc2c(=O)c1CN1CCCCCC1
c) O=C(N/N=C\c1ccc([N+](=O)[O-])o1)c1cncc(Br)c1
d) CC(=O)Nc1sc(C)c(C)c1C(=O)OCC(=O)N(CC(C)C)C1CCS(=O)(=O)C1
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}