Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=c1c2c(nc3nc(NCc4cccc(Cl)c4)[nH]n13)CCC2
(b) COc1ccc2c(c1)CC(N1CCN(C)CC1)c1cc(OC)ccc1S2.O=C(O)/C=C\C(=O)O
(c) Cn1c(=O)c2c(nc(SCC(=O)NCc3ccc4c(c3)OCO4)n2Cc2ccc(Cl)cc2)n(C)c1=O
Answer: a, 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}