Using O=C1Cc2cc3c(cc2C(c2ccccc2)=NN1c1ccc([N+](=O)[O-])cc1)OCO3 to produce Nc1ccc(N2N=C(c3ccccc3)c3cc4c(cc3CC2=O)OCO4)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.