Using CCOC(=O)CCCCCOc1c(OC)ccc2c(Nc3c(Cl)cncc3Cl)cc(=O)[nH]c12 to produce COc1ccc2c(Nc3c(Cl)cncc3Cl)cc(=O)[nH]c2c1OCCCCCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.