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 other words.
Options:
a. Cc1c([C@@H](O)CN2CCC3(CC2)CC(=O)N(c2ccc(C#N)cn2)C3)ccc2c1COC2=O
b. CCn1cc(C2(c3nn(C)c(=O)o3)N[C@@H](c3nc(-c4ccc(F)cn4)c[nH]3)Cc3c2[nH]c2ccccc32)cn1
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}
6-[8-[(2R)-2-hydroxy-2-(4-methyl-1-oxo-3H-2-benzofuran-5-yl)ethyl]-3-oxo-2,8-diazaspiro[4.5]decan-2-yl]pyridine-3-carbonitrile