Using O=c1[nH]c2c3ccccc3c(=Cc3cccc([N+](=O)[O-])c3)c2n2ccnc12 to produce Nc1cccc(CC2c3ccccc3-c3[nH]c(=O)c4nccn4c32)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.