Using N#CCCl, CC(C)(C)OC(=O)N1CCC2(CC1)CC(=O)N(O)C2=O to produce CC(C)(C)OC(=O)N1CCC2(CC1)CC(=O)N(OCC#N)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.