Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCCc1nc(C)c2c(=O)nc(-c3cc(S(=O)(=O)N4CC[NH+](CC)CC4)ccc3OCC)[nH]n12
b. O=C(CCC[NH+]1CCC(O)(c2ccc(Cl)cc2)CC1)c1ccc(F)cc1
c. CCn1cc(C(=O)[O-])c(=O)c2cc(F)c(N3CC[NH2+][C@H](C)C3)c(F)c21
Answer: a, 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}
4-[4-(4-chlorophenyl)-4-hydroxypiperidin-1-ium-1-yl]-1-(4-fluorophenyl)butan-1-one