Using COc1ccc(C(=O)CC(c2ccccc2Cl)C2CCCC2)cn1 to produce O=C(CC(c1ccccc1Cl)C1CCCC1)c1ccc(=O)[nH]c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.