Using COC(=O)[C@@H](N)CCC(=O)[O-], COC(=O)CC[C@H](N)C(=O)O to produce CN[C@@H](CCC(=O)[O-])C(=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.