Using O=C1CCN(C(=O)c2ccc3c(c2)CCC(=O)N3)CC1, NO to produce O=C1CCc2cc(C(=O)N3CCC(=NO)CC3)ccc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.