Using CC(C)(C)OC(=O)N1CCC(C(=O)Nc2ccccc2Oc2cc(Cl)cc(Cl)c2)CC1 to produce O=C(Nc1ccccc1Oc1cc(Cl)cc(Cl)c1)C1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.