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 additional words.
Options:
[a] Cn1cc(CN2CCC(C(=O)Nc3ccc(Oc4ccccc4F)cc3)CC2)cn1
[b] CCOC(=O)C1C(=O)OC(C)(C)C1C(C)C(=O)c1ccc(C)cc1C
[c] CCOC(=O)N1CCN(C(=O)CSc2nnc(Cc3cccn3C)n2CCc2ccccc2)CC1
[d] COc1ccc(NS(=O)(=O)c2cccc3cccnc23)cc1
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}