Using CCOC(=O)C1CC2(CCN(C(=O)OC(C)(C)C)CC2)CN1, COC(=O)N[C@H](C(=O)O)C(C)C to produce CCOC(=O)C1CC2(CCN(C(=O)OC(C)(C)C)CC2)CN1C(=O)[C@@H](NC(=O)OC)C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.