Using O=c1c2c(Cc3ccc([N+](=O)[O-])cc3)n[nH]c2c2cccnc2n1-c1ccccc1 to produce Nc1ccc(Cc2n[nH]c3c2c(=O)n(-c2ccccc2)c2ncccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.