Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCOC(=O)[C@@H]1C2CCC(C[C@@H]1OC(c1ccc(F)cc1)c1ccc(F)cc1)N2CCc1c[nH]c2ccccc12
b Cc1cc(C(=O)O)ccc1-c1ccc(N2C(=O)N(c3cc(=O)[nH]cn3)C3(CCN(Cc4ncccc4C)CC3)C2=O)cn1
c CN1CCN(CCCN2c3ccccc3Sc3ccc(Cl)cc32)CC1
d CCOC(=O)C1=C(CN2CCOCC2)NC(c2nccs2)=NC1c1ccc(F)cc1-c1ccccc1
Answer: 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}
2-chloro-10-[3-(4-methylpiperazin-1-yl)propyl]phenothiazine