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. O=C(NCCCNCc1ccccc1)c1ccc(/C=N/O)nc1
b. CCOC(=O)N1CCN(c2c(NCc3ccc(F)cc3)c(=O)c2=O)CC1
c. CN1CCN(C(=O)/C=C/c2ccc([N+](=O)[O-])cc2)CC1
d. Cc1ccc2[nH]cc(CCNC(=O)/C=C/c3ccco3)c2c1
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}