User: I have a question about the chemical with SMILES CC(C)C(=O)Oc1ccc(CO)cc1[C@H](CCN(C(C)C)C(C)C)c1ccccc1.O=C(O)/C=C/C(=O)O.
Assistant: Interesting, how can I help?
User: What is the polar surface area (PSA) value of this compound?
Assistant: The answer is 49.77
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#}
CC(C)C(=O)Oc1ccc(CO)cc1[C@H](CCN(C(C)C)C(C)C)c1ccccc1.O=C(O)/C=C/C(=O)O
CC(C)C(=O)Oc1ccc(CO)cc1[C@H](CCN(C(C)C)C(C)C)c1ccccc1.O=C(O)/C=C/C(=O)O
(E)-but-2-enedioic acid;[2-[(1R)-3-[di(propan-2-yl)amino]-1-phenylpropyl]-4-(hydroxymethyl)phenyl] 2-methylpropanoate
What is the polar surface area (PSA) value of this compound?