Using O=Cc1cc(N2CCNCC2)ccc1[N+](=O)[O-], Cc1ccn2cc(C(=O)O)nc2c1 to produce Cc1ccn2cc(C(=O)N3CCN(c4ccc([N+](=O)[O-])c(C=O)c4)CC3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.