Using C=CC1(CC(=O)O)CC(C)(C)CC(C)(C)C1, O=C1CCC(=O)N1O to produce C=CC1(CC(N)=O)CC(C)(C)CC(C)(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.