User: I have a question about the compound with SMILES Cc1cc(F)ccc1[C@H]1C[C@@H](N2CCN3C(=O)CC[C@H]3C2)CCN1C(=O)N(C)[C@H](C)c1cc(C(F)(F)F)cc(C(F)(F)F)c1.
Assistant: That sounds interesting, how can I help?
User: What is the molecular weight of this compound's parent molecule?
Assistant: 628.63
User: I have a question about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
Cc1cc(F)ccc1[C@H]1C[C@@H](N2CCN3C(=O)CC[C@H]3C2)CCN1C(=O)N(C)[C@H](C)c1cc(C(F)(F)F)cc(C(F)(F)F)c1
Cc1cc(F)ccc1[C@H]1C[C@@H](N2CCN3C(=O)CC[C@H]3C2)CCN1C(=O)N(C)[C@H](C)c1cc(C(F)(F)F)cc(C(F)(F)F)c1
(2R,4S)-4-[(8aS)-6-oxo-1,3,4,7,8,8a-hexahydropyrrolo[1,2-a]pyrazin-2-yl]-N-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethyl]-2-(4-fluoro-2-methylphenyl)-N-methylpiperidine-1-carboxamide
What is the molecular weight of this compound's parent molecule?