Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: C[NH+]1CCN(C2=Nc3ccccc3Nc3sc(CO)cc32)CC1
b: CC(C)Oc1cc([C@H](C2=CN[C@@H](C(C)(C)O)C=C2)c2cc[n+]([O-])cc2)ccc1OC(F)F
c: COc1ccc(CC[NH+]2CCC(Nc3nc4ccccc4n3Cc3ccc(F)cc3)CC2)cc1
d: COc1ccc(CC[NH+](C)CCCNc2c(Cl)cn[nH]c2=O)cc1OC
Answer: a, c, d
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-methylpiperazin-4-ium-1-yl)-10H-thieno[2,3-b][1,5]benzodiazepin-2-yl]methanol