Using CCOC(=O)c1cc(C(=O)c2[nH]c3ccc(Cl)cc3c2CC(=O)OC)on1 to produce O=C(O)Cc1c(C(=O)c2cc(C(=O)O)no2)[nH]c2ccc(Cl)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.