Using COC(=O)CCCCC(=O)[O-], CN(OCCOCCCO)C(=O)OC(C)(C)C to produce COC(=O)CCCCC(=O)OCCOCCON(C)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.