Using O=C(Nc1cc(Oc2ccc([N+](=O)[O-])c3ccccc23)ccn1)NC1CC1 to produce Nc1ccc(Oc2ccnc(NC(=O)NC3CC3)c2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.