Using CCCCCCCCCCCCCCCCCCOc1cccc(N(CC(=O)OC)CC(=O)OC)c1 to produce CCCCCCCCCCCCCCCCCCOc1cccc(N(CC(=O)O)CC(=O)O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.