Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COc1ccccc1NC(=O)C1=C(C)Nc2nc(-c3ccc(N(C)C)cc3)nn2C1c1ccncc1
b. O=C(c1cccc2ccccc12)C1CCCN(C(=O)CCCn2cncn2)C1
c. Cc1cc(C)cc(NC(=S)N(CCCN2CCN(C)CC2)Cc2cccs2)c1
d. Cn1c([N+](=O)[O-])cnc1COC(N)=O
Answer: a, b, 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}