Using CCCCc1ncc(C(Cc2ccccc2)(C(=O)OCC)C(=O)OCC)n1Cc1ccccc1Cl to produce O=C(O)C(Cc1ccccc1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.