Using CCCc1ccnc2c(=O)[nH]c(-c3cc([N+](=O)[O-])ccc3OCC)nc12 to produce CCCc1ccnc2c(=O)[nH]c(-c3cc(N)ccc3OCC)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.