Using CC(C)(C)OC(=O)N1CC[C@H](N)C1, CN1CCC[C@H]1C(=O)O to produce CN1CCC[C@H]1C(=O)N[C@H]1CCN(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.