Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOc1cc(CCN2CCC(Nc3nc4ccccc4o3)CC2)ccc1OC
b. CSc1ccc([C@H]2N=C(OCc3ccc(NS(C)(=O)=O)cc3)N(C)Cc3ccccc32)cc1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
N-[1-[2-(3-ethoxy-4-methoxy-phenyl)ethyl]piperidin-4-yl]-1,3-benzoxazol-2-amine