Task: Please answer the multiple choice question.
Question: Which molecules are 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: CCOc1ccc(NC(=O)CN(C)C(=O)C2CCN(c3ncnc4sc(C)c(C)c34)CC2)cc1OCC
b: CC1CCCN(S(=O)(=O)c2cc(Cl)ccc2Cl)C1
c: O=S(=O)(c1ccccc1)N1CCC(n2cnc3ccccc32)CC1
d: Cc1nn(S(=O)(=O)c2ccc(Cl)cc2)c(C)c1Sc1ccc([N+](=O)[O-])cc1
Answer: a, c
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}