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, b, c, or d without using any other words.
Options:
a) Cc1ccc(C[C@@H](C(=O)O)N2CCC(CN3CCC(Oc4ccc(Cl)c(Cl)c4)CC3)CC2)cc1
b) O=C(c1ccc(O)cc1OC[C@@H](O)CN1CCC2(CC1)Cc1cc(Cl)ccc1O2)N1C[C@H](O)CO1
c) Cc1c(-c2ccccc2)oc2c(C(=O)OCCN3CCCCC3)cccc2c1=O
d) CC(C)(C)C1CCC2(CC1)CCN(c1ccc(OC(F)(F)F)cc1)C(=O)N2Cc1ccc(C(=O)Nc2nnn[nH]2)cc1
Answer: c
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-piperidin-1-ylethyl 3-methyl-4-oxo-2-phenylchromene-8-carboxylate