Using CC(C)(C)OC(=O)N1CCC(NC(=O)OCc2cc(Cl)cc(Cl)c2)CC1 to produce O=C(NC1CCNCC1)OCc1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.