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