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) O=C(CSc1nc2c(cnn2-c2ccc(F)cc2)c(=O)[nH]1)N1CCCCC1
(b) CNC(=O)C1=C(C)NC(=S)NC1c1cc2c(cc1OC)CCCC2
(c) CCCc1cnc(N2CCN(C(=O)c3ccccc3)CC2)nc1
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}