Using COC(=O)CCCCCCCCCCCCCCC(=O)[O-], CN(C)C(ON1C(=O)CCC1=O)=[N+](C)C to produce COC(=O)CCCCCCCCCCCCCCC(=O)ON1C(=O)CCC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.