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 additional words.
Options:
a CCCCN1CCc2c([nH]c3ccccc23)C1=O
b Cc1cc(C(C)(C)C)cc(C)c1CCNC(=O)c1ccc[n+]([O-])c1
c Cc1nc(NC(=O)CN(C)S(=O)(=O)c2ccc(Br)cc2)sc1C
d COCCNC(=O)C1CC(c2ccccc2[N+](=O)[O-])=NO1
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}