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 or b without using any additional words.
Options:
a.) O=C(NCCc1c[nH]c2ccccc12)/C(=C\c1cccnc1)NC(=O)c1ccccc1Br
b.) CC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)N1CCC(C(=O)N[C@@H](C)C(=O)Nc2ccc(F)cc2)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}