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, or c without using any other words.
Options:
a CC1CN(C(=O)C2CC2)C(C)CN1C(=O)C1CC1
b COc1ccc(/C=C(\NC(=O)c2ccc(C)cc2)C(=O)NCCCn2ccnc2)cc1
c CCCCn1c(/N=C/c2ccc(N(C)C)cc2)nc2ccccc21
Answer: b
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}