Using CC1=C(C(=O)OCCN2C(=O)c3ccccc3C2=O)C(c2ccccc2[N+](=O)[O-])C(C(=O)OCC(C)C)=C(C)N1 to produce CC1=C(C(=O)OCCN)C(c2ccccc2[N+](=O)[O-])C(C(=O)OCC(C)C)=C(C)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.