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.) Cc1cccc(C)c1NC(=O)[C@@H]1CCCCN1C
b.) O=C1CCc2ccc(OCCCCN3CCN(c4cccc(Cl)c4Cl)CC3)cc2N1
c.) CCCNC[C@@H](O)COc1ccc(O)cc1C(=O)CCc1ccccc1
d.) O=C(O)CNC(=O)[C@@H]1NC(C(F)(F)F)(C(F)(F)F)OC1(C(F)(F)F)C(F)(F)F
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}
7-[4-[4-(2,3-dichlorocyclohexa-1,3,5-trien-1-yl)piperazin-1-yl]butoxy]-3,4-dihydro-1H-quinolin-2-one