Using O=[N+]([O-])O, CCCc1c2c(cc3c(=O)cc(C(=O)OCC)oc13)CCCC2 to produce CCCc1c2c(c([N+](=O)[O-])c3c(=O)cc(C(=O)OCC)oc13)CCCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.