Using COc1ccc(CS[C@H]2CC(C(=O)NC3CN4CCC3CC4)N(C(=O)OCc3ccc([N+](=O)[O-])cc3)C2)cc1 to produce O=C(NC1CN2CCC1CC2)C1C[C@H](S)CN1C(=O)OCc1ccc([N+](=O)[O-])cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.