Using O=C(O)c1cc(O)ccc1O, O=C(OCCCCCCCCCl)C1CCCO1 to produce O=C(OCCCCCCCCOC(=O)C1CCCO1)c1cc(O)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.