Using C[O-], O=C(CCl)CC(=O)OCCC(c1ccccc1)c1ccccc1 to produce COCC(=O)CC(=O)OCCC(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.