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 additional words.
Options:
a. CCCC(=O)c1ccc(-c2ccccc2)cc1
b. COc1ccc(OCC(=O)Nc2ccc(NC(=O)c3ccco3)cc2)cc1
c. CCN(CC)Cc1c(C(=O)N/N=C/c2ccncc2)nnn1-c1nonc1N
d. COc1ccccc1N1CCN(C(=O)c2cc(C(=O)N3CCN(c4ccccc4OC)CC3)cc([N+](=O)[O-])c2)CC1
Answer: 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}