Using CCOC(=O)c1[nH]c2cc(Cl)ccc2c1C(NCc1ccccc1)C(=O)NC1CCCCC1 to produce O=C(O)c1[nH]c2cc(Cl)ccc2c1C(NCc1ccccc1)C(=O)NC1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.