Using O=C1CCCCc2c1n1c3c(cc([N+](=O)[O-])cc23)CCC1 to produce Nc1cc2c3c(c1)c1c(n3CCC2)C(=O)CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.