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, or c without using any other words.
Options:
a. Cc1ccc(OCc2nc(C#N)c(N3CCCC3)o2)cc1
b. CC(C)Nc1nc(N(c2ccccc2)c2ccccc2)nc(-n2ccnc2)n1
c. O=C(N/N=C/c1c(F)cccc1Cl)c1ccc(Cn2cc(Br)cn2)o1
Answer: a
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}