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) Cl.OC(CNCc1ccccc1)COCc1ccc(Cl)cc1
b) CCOC(=O)CCSc1nc(C)c2ccccc2n1
c) CCOC(=O)c1sc(N/N=C/c2ccc(N(C)C)cc2)nc1C
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}