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. Nc1nnc(SCC(=O)OCc2ccccc2)s1
b. CCCCCCCCCCCCOCn1c[n+](C)c2ccccc21.[Cl-]
c. N#C/C(=C\c1ccc([N+](=O)[O-])cc1)C(=O)NCCCn1ccnc1
d. COc1ccc(C(=O)NNC(=O)c2ccccn2)cc1
Answer: a, 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}