Using CC(C)(C)OC(=O)N1CCC(=O)C1, CC(C)C[C@H](N)C(=O)OC1CCCC1 to produce CC(C)C[C@H](NC1CCN(C(=O)OC(C)(C)C)C1)C(=O)OC1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.