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 COc1ccc2ncc(=O)n(CCN3CCC(NCc4cnc(C)c(C#N)c4)CC3)c2n1
b Cc1c([C@@H](O)CN2CCC3(CC2)CC(=O)N(c2cncc(C#N)c2)C3)ccc2c1COC2=O
Answer: b
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}
5-[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