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) CCOC(=O)CNC(=O)N1CCCC(C(=O)c2cc(C)c(OC)c(C)c2)C1
(b) CSc1ccc2c(c1)C(N1CCN(C)CC1)Cc1ccc(F)cc1S2.O=C(O)/C=C\C(=O)O
(c) COc1nc(OC)nc(N2CCC(C(=O)NCC3CCCCC3)CC2)n1
Answer: b
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}