Using CC1(C)OC(=O)CC(=O)O1, CC(C)(C)OC(=O)N1CCC(C(=O)O)CC1 to produce CC(C)(C)OC(=O)N1CCC(C(O)=C2C(=O)OC(C)(C)OC2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.