Using NCCCC(=O)O, C[C@]12CC[C@H](OC(=O)Oc3ccc([N+](=O)[O-])cc3)C[C@H]1CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](c3ccc(=O)oc3)CC[C@]12O to produce C[C@]12CC[C@H](OC(=O)NCCCC(=O)O)C[C@H]1CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](c3ccc(=O)oc3)CC[C@]12O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.