Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(Nc1ccccc1C(=O)NCc1ccccc1)C1=CSCCO1
[b] O=c1[nH]c(CSc2nnnn2-c2ccccc2)nc2ccccc12
[c] COc1ccc(NC(=O)c2nn(C)c3c2CS(=O)(=O)c2ccccc2-3)cc1
[d] N#CCCn1cc(C(=O)Nc2ccc([N+](=O)[O-])cc2)c(-c2ccccc2)n1
Answer: 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}