Using O=C(OCc1ccccc1)N(CCO)c1ccc([N+](=O)[O-])cc1O to produce Nc1ccc(N(CCO)C(=O)OCc2ccccc2)c(O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.