Using CNCC(C)C, O=C(O)C1CC(O)(c2ccc(CN3CCCC3)c(Cl)c2)C1 to produce CC(C)CN(C)C(=O)C1CC(O)(c2ccc(CN3CCCC3)c(Cl)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.