Using O=C(O)c1cccc(Cl)c1, CC(C)(C)OC(=O)N1CCC(=O)CC1 to produce CC(C)(C)OC(=O)N1CCC2(CC1)OC(=O)c1cccc(Cl)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.