Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: CC[C@H](C)C(=O)O[C@H]1C[C@@H](C)C=C2C=C[C@H](C)[C@H](CC[C@@H]3C[C@@H](O)CC(=O)O3)[C@H]21
b: CC1(C)c2nc(-c3ccc(F)cc3)c(Nc3ccc(F)cc3)n2CCN1C(=O)CN
c: COC(=O)C1(CNC(=O)c2cc(OC)cc(OC)c2)CCN(Cc2ccccc2OC)CC1
d: c1ncc(-c2cc3sc(N4CCC(N5CCCCC5)CC4)nc3cn2)cn1
e: Cc1nc(-c2ccncc2)sc1-c1ccc2cc(CCN3CCC[C@H]3C)ccc2n1
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}
2-amino-1-[3-(4-fluoroanilino)-2-(4-fluorophenyl)-8,8-dimethyl-5,6-dihydroimidazo[1,2-a]pyrazin-7-yl]ethanone