Using CCCCCCCCCCCC[N+](C)(C)C1CCCCC1O, CC(=O)OC(C)=O to produce CCCCCCCCCCCC[N+](C)(C)C1CCCCC1OC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.