Using c1cc2cnc(N3CCOCC3)cc2[nH]1, CC(C)(C)OC(=O)N1CCC(=O)CC1 to produce CC(C)(C)OC(=O)N1CC=C(c2c[nH]c3cc(N4CCOCC4)ncc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.