Using COCOC1CCN(c2ccc(Oc3ccc(NC(=O)c4ccc(Cl)c(Cl)c4)cc3)cc2)CC1 to produce O=C(Nc1ccc(Oc2ccc(N3CCC(O)CC3)cc2)cc1)c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.