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, c, or d without using any other words.
Options:
[a] O=C(CN1CCN(C(=O)C2CCCO2)CC1)Nc1cc(Cl)ccc1Cl
[b] Cl.NC(N)=Nc1nc2ccc(Br)cc2c(=O)[nH]1
[c] O=C(NCC1CCCO1)/C(=C/c1ccccc1)NC(=O)c1ccccc1
[d] CC1CCC2(CC1)NC(=O)N(CC(=O)Nc1cccc(S(=O)(=O)N3CCOCC3)c1)C2=O
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}