Using O=C(OCC1c2ccccc2-c2ccccc21)n1ccc2cc([N+](=O)[O-])ccc21 to produce Nc1ccc2c(ccn2C(=O)OCC2c3ccccc3-c3ccccc32)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.