Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) OCc1ccc(-c2ccc(-c3ccc(CO)s3)o2)s1
b.) COC[C@H](C)COCc1ccc([C@]2(O)CCNC[C@@H]2c2ccc(-c3ccccc3CCNC(C)=O)cc2C)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}
[5-[5-[5-(hydroxymethyl)thiophen-2-yl]furan-2-yl]thiophen-2-yl]methanol