Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1ccc(-n2cnc3c(-c4ccccc4)csc3c2=O)cc1
b CC(=O)C1=NN2c3cc(F)ccc3OC[C@H]2[C@@]1(CCCN(C)C)c1ccccc1
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}
3-(4-methoxyphenyl)-7-phenylthieno[3,2-d]pyrimidin-4-one