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 additional words.
Options:
(a) O=C(c1ccccc1)N1CCC2(CC1)CCN(C(=O)N1CCCN(C3CCC3)CC1)C2
(b) Cc1c([C@@H](O)CN2CCC3(CC2)CCN(c2ccc(-n4cnnn4)cn2)C3)ccc2c1COC2=O
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}
[2-(4-cyclobutyl-1,4-diazepane-1-carbonyl)-2,8-diazaspiro[4.5]decan-8-yl]-phenylmethanone