Using CC(C)[C@@H]1CC[C@@H](C)C[C@H]1OCC(=O)O, CCNCCN(CC)CC to produce CCN(CC)CCN(CC)C(=O)CO[C@@H]1C[C@H](C)CC[C@H]1C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.