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 additional words.
Options:
(a) CC1(C)CC(=O)C2=C(C1)NCN(Cc1ccc3c(c1)OCO3)C2
(b) COc1ccc(/C=C2\SC(=S)N(CCCC(=O)Nc3ccccn3)C2=O)cc1OC
(c) COc1ccc2c(c1)c(C(=O)N/N=C/c1ccc(Br)cc1)c(C)n2C
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}