Using O=C(O)[C@H]1CC[C@@H](O)CC1, CC(C)N1CCNCC1 to produce CC(C)N1CCN(C(=O)[C@H]2CC[C@@H](O)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.