Using COc1cc2nccc(Oc3ccc(NC(=O)COc4cc(Cl)ccc4Cl)cc3)c2cc1OC to produce COc1cc2nccc(Oc3ccc(NCCOc4cc(Cl)ccc4Cl)cc3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.